Nearest-color comparison
Emerald #50C878 vs Paris Green #50C878: RGB distance 0 and contrast 1:1. Compare hue, luminance, saturation, WCAG and practical use.
Emerald and Paris Green are very close, with an RGB distance of 0. Their luminance is equal, and their saturation is equal. Their mutual contrast is 1:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Emerald and Paris Green across RGB distance, luminance, hue, saturation, and contrast.
green color
Emerald is #50C878, a cool green with hue 140°, saturation 52% and luminance 0.4437. Beside Paris Green, it is equal in luminance and equally saturated. Of the two standard text choices, black text gives the higher contrast at 9.87:1.
green color
Paris Green is #50C878, a cool green with hue 140°, saturation 52% and luminance 0.4437. Beside Emerald, it is equal in luminance and equally saturated. Of the two standard text choices, black text gives the higher contrast at 9.87:1.
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 Emerald and Paris 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": "emerald",
"name": "Emerald",
"hex": "#50C878",
"rgb": [
80,
200,
120
],
"hsl": [
140,
52,
55
],
"cmyk": [
60,
0,
40,
22
],
"family": "green",
"temperature": "cool",
"tone": [
"earth-tone"
],
"luminance": 0.4437,
"contrast": {
"black": 9.87,
"white": 2.13
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 9.87
},
"description": "Emerald is #50C878, a cool green color with earth tone character. Compared with Paris Green, it is similar in luminance and similar in saturation. Use it for natural palettes, wellness branding, and sustainability design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/emerald/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/emerald.json"
},
{
"slug": "paris-green",
"name": "Paris Green",
"hex": "#50C878",
"rgb": [
80,
200,
120
],
"hsl": [
140,
52,
55
],
"cmyk": [
60,
0,
40,
22
],
"family": "green",
"temperature": "cool",
"tone": [
"earth-tone"
],
"luminance": 0.4437,
"contrast": {
"black": 9.87,
"white": 2.13
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 9.87
},
"description": "Paris Green is #50C878, a cool green color with earth tone character. Compared with Emerald, it is similar in luminance and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/paris-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/paris-green.json"
}
]{
"rgbDistance": 0,
"contrastRatio": 1,
"hslDelta": {
"hue": 0,
"saturation": 0,
"lightness": 0
},
"luminanceDelta": 0,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"earth-tone"
],
"lighterColor": "Emerald",
"moreSaturatedColor": "Emerald"
}{
"pairContrastRatio": 1,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Emerald",
"background": "#50C878",
"foreground": "#000000",
"label": "black text",
"ratio": 9.87
},
{
"color": "Paris Green",
"background": "#50C878",
"foreground": "#000000",
"label": "black text",
"ratio": 9.87
}
]
}{
"chooseFirstWhen": "Emerald is better when the design needs earth tone green character, cool temperature, and the specific HEX value #50C878.",
"chooseSecondWhen": "Paris Green is better when the design needs earth tone green character, cool temperature, and the specific HEX value #50C878.",
"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/emerald-vs-paris-green.json",
"https://www.colorsencyclopedia.com/api/colors/emerald.json",
"https://www.colorsencyclopedia.com/api/colors/paris-green.json"
]{
"datasetVersion": "1.0.0",
"slug": "emerald-vs-paris-green",
"type": "nearest",
"name": "Emerald vs Paris Green",
"verdict": "Emerald and Paris Green are very close colors. They have nearly identical luminance. They share similar temperature behavior. Their mutual contrast is 1:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Emerald and Paris Green are different green colors with HEX values #50C878 and #50C878. According to Colors Encyclopedia, their RGB distance is 0, their contrast ratio is 1:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 0,
"contrastRatio": 1,
"colors": [
{
"slug": "emerald",
"name": "Emerald",
"hex": "#50C878",
"rgb": [
80,
200,
120
],
"hsl": [
140,
52,
55
],
"cmyk": [
60,
0,
40,
22
],
"family": "green",
"temperature": "cool",
"tone": [
"earth-tone"
],
"luminance": 0.4437,
"contrast": {
"black": 9.87,
"white": 2.13
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 9.87
},
"description": "Emerald is #50C878, a cool green color with earth tone character. Compared with Paris Green, it is similar in luminance and similar in saturation. Use it for natural palettes, wellness branding, and sustainability design, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/emerald/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/emerald.json"
},
{
"slug": "paris-green",
"name": "Paris Green",
"hex": "#50C878",
"rgb": [
80,
200,
120
],
"hsl": [
140,
52,
55
],
"cmyk": [
60,
0,
40,
22
],
"family": "green",
"temperature": "cool",
"tone": [
"earth-tone"
],
"luminance": 0.4437,
"contrast": {
"black": 9.87,
"white": 2.13
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A",
"#36454F"
],
"AAA": [
"#000000",
"#1A1A1A"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 9.87
},
"description": "Paris Green is #50C878, a cool green color with earth tone character. Compared with Emerald, it is similar in luminance and similar in saturation. Use it for historical references, pigment palettes, and cultural color systems, with black text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/paris-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/paris-green.json"
}
],
"differences": {
"rgbDistance": 0,
"contrastRatio": 1,
"hslDelta": {
"hue": 0,
"saturation": 0,
"lightness": 0
},
"luminanceDelta": 0,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"earth-tone"
],
"lighterColor": "Emerald",
"moreSaturatedColor": "Emerald"
},
"accessibility": {
"pairContrastRatio": 1,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Emerald",
"background": "#50C878",
"foreground": "#000000",
"label": "black text",
"ratio": 9.87
},
{
"color": "Paris Green",
"background": "#50C878",
"foreground": "#000000",
"label": "black text",
"ratio": 9.87
}
]
},
"useCases": {
"chooseFirstWhen": "Emerald is better when the design needs earth tone green character, cool temperature, and the specific HEX value #50C878.",
"chooseSecondWhen": "Paris Green is better when the design needs earth tone green character, cool temperature, and the specific HEX value #50C878.",
"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/emerald-vs-paris-green.json",
"https://www.colorsencyclopedia.com/api/colors/emerald.json",
"https://www.colorsencyclopedia.com/api/colors/paris-green.json"
],
"url": "https://www.colorsencyclopedia.com/compare/emerald-vs-paris-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/emerald-vs-paris-green.json"
}