green color
Chartreuse
Chartreuse is #7FFF00, a cool green with hue 90°, saturation 100% and luminance 0.7603. Beside Toxic Green, it is lighter and more saturated. Of the two standard text choices, black text gives the higher contrast at 16.21:1.
Nearest-color comparison
Chartreuse #7FFF00 vs Toxic Green #61DE2A: RGB distance 61.3 and contrast 1.35:1. Compare hue, luminance, saturation, WCAG and practical use.
Chartreuse and Toxic Green are related but distinguishable, with an RGB distance of 61.3. Chartreuse is lighter by 0.2108, and Chartreuse is more saturated by 27 percentage points. Their mutual contrast is 1.35:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Chartreuse and Toxic Green across RGB distance, luminance, hue, saturation, and contrast.
green color
Chartreuse is #7FFF00, a cool green with hue 90°, saturation 100% and luminance 0.7603. Beside Toxic Green, it is lighter and more saturated. Of the two standard text choices, black text gives the higher contrast at 16.21:1.
green color
Toxic Green is #61DE2A, a cool green with hue 102°, saturation 73% and luminance 0.5495. Beside Chartreuse, it is darker and less saturated. Of the two standard text choices, black text gives the higher contrast at 11.99:1.
Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.
Downloadable color comparison infographic
Save a high-resolution comparison infographic with both HEX colors, visual distance, mutual contrast, and accessibility guidance.

A compact visual strip showing the two compared colors with nearby harmony and variant context.
Machine-readable data
Structured comparison data for Chartreuse and Toxic Green, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.
colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and linksdifferencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributesaccessibilityPair contrast and safer text choices for each coloruseCasesWhen to choose each color and when to use them togetherrelatedApiMachine-readable comparison and color endpoints[
{
"slug": "chartreuse",
"name": "Chartreuse",
"hex": "#7FFF00",
"rgb": [
127,
255,
0
],
"hsl": [
90,
100,
50
],
"cmyk": [
50,
0,
100,
0
],
"family": "green",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.7603,
"contrast": {
"black": 16.21,
"white": 1.3
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 16.21
},
"description": "Chartreuse is #7FFF00, a cool green color with vibrant character. Compared with Toxic Green, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/chartreuse/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/chartreuse.json"
},
{
"slug": "toxic-green",
"name": "Toxic Green",
"hex": "#61DE2A",
"rgb": [
97,
222,
42
],
"hsl": [
102,
73,
52
],
"cmyk": [
56,
0,
81,
13
],
"family": "green",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.5495,
"contrast": {
"black": 11.99,
"white": 1.75
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 11.99
},
"description": "Toxic Green is #61DE2A, a cool green color with vibrant character. Compared with Chartreuse, it is darker and less saturated. Use it for neon accents, event graphics, and high-energy digital design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/toxic-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/toxic-green.json"
}
]{
"rgbDistance": 61.3,
"contrastRatio": 1.35,
"hslDelta": {
"hue": 12,
"saturation": 27,
"lightness": 2
},
"luminanceDelta": 0.2108,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"vibrant"
],
"lighterColor": "Chartreuse",
"moreSaturatedColor": "Chartreuse"
}{
"pairContrastRatio": 1.35,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Chartreuse",
"background": "#7FFF00",
"foreground": "#000000",
"label": "black text",
"ratio": 16.21
},
{
"color": "Toxic Green",
"background": "#61DE2A",
"foreground": "#000000",
"label": "black text",
"ratio": 11.99
}
]
}{
"chooseFirstWhen": "Chartreuse is better when the design needs vibrant green character, cool temperature, and the specific HEX value #7FFF00.",
"chooseSecondWhen": "Toxic Green is better when the design needs vibrant green character, cool temperature, and the specific HEX value #61DE2A.",
"useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}[
"https://www.colorsencyclopedia.com/api/compare/chartreuse-vs-toxic-green.json",
"https://www.colorsencyclopedia.com/api/colors/chartreuse.json",
"https://www.colorsencyclopedia.com/api/colors/toxic-green.json"
]{
"datasetVersion": "1.0.0",
"slug": "chartreuse-vs-toxic-green",
"type": "nearest",
"name": "Chartreuse vs Toxic Green",
"verdict": "Chartreuse and Toxic Green are visually related colors. Chartreuse is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.35:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Chartreuse and Toxic Green are different green colors with HEX values #7FFF00 and #61DE2A. According to Colors Encyclopedia, their RGB distance is 61.3, their contrast ratio is 1.35:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 61.3,
"contrastRatio": 1.35,
"colors": [
{
"slug": "chartreuse",
"name": "Chartreuse",
"hex": "#7FFF00",
"rgb": [
127,
255,
0
],
"hsl": [
90,
100,
50
],
"cmyk": [
50,
0,
100,
0
],
"family": "green",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.7603,
"contrast": {
"black": 16.21,
"white": 1.3
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A",
"#36454F"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 16.21
},
"description": "Chartreuse is #7FFF00, a cool green color with vibrant character. Compared with Toxic Green, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/chartreuse/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/chartreuse.json"
},
{
"slug": "toxic-green",
"name": "Toxic Green",
"hex": "#61DE2A",
"rgb": [
97,
222,
42
],
"hsl": [
102,
73,
52
],
"cmyk": [
56,
0,
81,
13
],
"family": "green",
"temperature": "cool",
"tone": [
"vibrant"
],
"luminance": 0.5495,
"contrast": {
"black": 11.99,
"white": 1.75
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 11.99
},
"description": "Toxic Green is #61DE2A, a cool green color with vibrant character. Compared with Chartreuse, it is darker and less saturated. Use it for neon accents, event graphics, and high-energy digital design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/toxic-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/toxic-green.json"
}
],
"differences": {
"rgbDistance": 61.3,
"contrastRatio": 1.35,
"hslDelta": {
"hue": 12,
"saturation": 27,
"lightness": 2
},
"luminanceDelta": 0.2108,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"vibrant"
],
"lighterColor": "Chartreuse",
"moreSaturatedColor": "Chartreuse"
},
"accessibility": {
"pairContrastRatio": 1.35,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Chartreuse",
"background": "#7FFF00",
"foreground": "#000000",
"label": "black text",
"ratio": 16.21
},
{
"color": "Toxic Green",
"background": "#61DE2A",
"foreground": "#000000",
"label": "black text",
"ratio": 11.99
}
]
},
"useCases": {
"chooseFirstWhen": "Chartreuse is better when the design needs vibrant green character, cool temperature, and the specific HEX value #7FFF00.",
"chooseSecondWhen": "Toxic Green is better when the design needs vibrant green character, cool temperature, and the specific HEX value #61DE2A.",
"useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
},
"relatedApi": [
"https://www.colorsencyclopedia.com/api/compare/chartreuse-vs-toxic-green.json",
"https://www.colorsencyclopedia.com/api/colors/chartreuse.json",
"https://www.colorsencyclopedia.com/api/colors/toxic-green.json"
],
"url": "https://www.colorsencyclopedia.com/compare/chartreuse-vs-toxic-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/chartreuse-vs-toxic-green.json"
}