Nearest-color comparison
Kelly Green #4CBB17 vs Toxic Green #61DE2A: RGB distance 45 and contrast 1.42:1. Compare hue, luminance, saturation, WCAG and practical use.
Kelly Green and Toxic Green are related but distinguishable, with an RGB distance of 45. Toxic Green is lighter by 0.1781, and Kelly Green is more saturated by 5 percentage points. Their mutual contrast is 1.42:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Kelly Green and Toxic Green across RGB distance, luminance, hue, saturation, and contrast.
green color
Kelly Green is #4CBB17, a cool green with hue 101°, saturation 78% and luminance 0.3714. Beside Toxic Green, it is darker and more saturated. Of the two standard text choices, black text gives the higher contrast at 8.43:1.
green color
Toxic Green is #61DE2A, a cool green with hue 102°, saturation 73% and luminance 0.5495. Beside Kelly Green, it is lighter 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 Kelly Green and Toxic Green, including color systems, RGB distance, HSL deltas, contrast, accessibility guidance, use cases, and API links.
Colors Encyclopedia
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": "kelly-green",
"name": "Kelly Green",
"hex": "#4CBB17",
"rgb": [
76,
187,
23
],
"hsl": [
101,
78,
41
],
"cmyk": [
59,
0,
88,
27
],
"family": "green",
"temperature": "cool",
"tone": [
"vibrant",
"jewel-tone"
],
"luminance": 0.3714,
"contrast": {
"black": 8.43,
"white": 2.49
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A"
],
"AAA": [
"#000000"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 8.43
},
"description": "Kelly Green is #4CBB17, a cool green color with vibrant and jewel tone character. Compared with Toxic Green, it is darker and more saturated. Use it for natural palettes, wellness branding, and sustainability design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/kelly-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/kelly-green.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 Kelly Green, it is lighter 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": 45,
"contrastRatio": 1.42,
"hslDelta": {
"hue": 1,
"saturation": 5,
"lightness": 11
},
"luminanceDelta": 0.1781,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"vibrant"
],
"lighterColor": "Toxic Green",
"moreSaturatedColor": "Kelly Green"
}{
"pairContrastRatio": 1.42,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Kelly Green",
"background": "#4CBB17",
"foreground": "#000000",
"label": "black text",
"ratio": 8.43
},
{
"color": "Toxic Green",
"background": "#61DE2A",
"foreground": "#000000",
"label": "black text",
"ratio": 11.99
}
]
}{
"chooseFirstWhen": "Kelly Green is better when the design needs vibrant and jewel tone green character, cool temperature, and the specific HEX value #4CBB17.",
"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/kelly-green-vs-toxic-green.json",
"https://www.colorsencyclopedia.com/api/colors/kelly-green.json",
"https://www.colorsencyclopedia.com/api/colors/toxic-green.json"
]{
"datasetVersion": "1.0.0",
"slug": "kelly-green-vs-toxic-green",
"type": "nearest",
"name": "Kelly Green vs Toxic Green",
"verdict": "Kelly Green and Toxic Green are visually related colors. Toxic Green is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.42:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Kelly Green and Toxic Green are different green colors with HEX values #4CBB17 and #61DE2A. According to Colors Encyclopedia, their RGB distance is 45, their contrast ratio is 1.42:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 45,
"contrastRatio": 1.42,
"colors": [
{
"slug": "kelly-green",
"name": "Kelly Green",
"hex": "#4CBB17",
"rgb": [
76,
187,
23
],
"hsl": [
101,
78,
41
],
"cmyk": [
59,
0,
88,
27
],
"family": "green",
"temperature": "cool",
"tone": [
"vibrant",
"jewel-tone"
],
"luminance": 0.3714,
"contrast": {
"black": 8.43,
"white": 2.49
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A"
],
"AAA": [
"#000000"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 8.43
},
"description": "Kelly Green is #4CBB17, a cool green color with vibrant and jewel tone character. Compared with Toxic Green, it is darker and more saturated. Use it for natural palettes, wellness branding, and sustainability design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/kelly-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/kelly-green.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 Kelly Green, it is lighter 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": 45,
"contrastRatio": 1.42,
"hslDelta": {
"hue": 1,
"saturation": 5,
"lightness": 11
},
"luminanceDelta": 0.1781,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"vibrant"
],
"lighterColor": "Toxic Green",
"moreSaturatedColor": "Kelly Green"
},
"accessibility": {
"pairContrastRatio": 1.42,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Kelly Green",
"background": "#4CBB17",
"foreground": "#000000",
"label": "black text",
"ratio": 8.43
},
{
"color": "Toxic Green",
"background": "#61DE2A",
"foreground": "#000000",
"label": "black text",
"ratio": 11.99
}
]
},
"useCases": {
"chooseFirstWhen": "Kelly Green is better when the design needs vibrant and jewel tone green character, cool temperature, and the specific HEX value #4CBB17.",
"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/kelly-green-vs-toxic-green.json",
"https://www.colorsencyclopedia.com/api/colors/kelly-green.json",
"https://www.colorsencyclopedia.com/api/colors/toxic-green.json"
],
"url": "https://www.colorsencyclopedia.com/compare/kelly-green-vs-toxic-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/kelly-green-vs-toxic-green.json"
}