Nearest-color comparison
Emerald #50C878 vs Medium Sea Green #3CB371: RGB distance 29.8 and contrast 1.25:1. Compare hue, luminance, saturation, WCAG and practical use.
Emerald and Medium Sea Green are related but distinguishable, with an RGB distance of 29.8. Emerald is lighter by 0.0998, and Emerald is more saturated by 2 percentage points. Their mutual contrast is 1.25:1. 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 Medium Sea 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 Medium Sea Green, it is lighter and more saturated. Of the two standard text choices, black text gives the higher contrast at 9.87:1.
green color
Medium Sea Green is #3CB371, a cool green with hue 147°, saturation 50% and luminance 0.3439. Beside Emerald, it is darker and less saturated. Of the two standard text choices, black text gives the higher contrast at 7.88:1.
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 Medium Sea 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 Medium Sea Green, it is lighter 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/emerald/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/emerald.json"
},
{
"slug": "medium-sea-green",
"name": "Medium Sea Green",
"hex": "#3CB371",
"rgb": [
60,
179,
113
],
"hsl": [
147,
50,
47
],
"cmyk": [
66,
0,
37,
30
],
"family": "green",
"temperature": "cool",
"tone": [
"earth-tone"
],
"luminance": 0.3439,
"contrast": {
"black": 7.88,
"white": 2.67
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A"
],
"AAA": [
"#000000"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 7.88
},
"description": "Medium Sea Green is #3CB371, a cool green color with earth tone character. Compared with Emerald, it is darker and less 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/medium-sea-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/medium-sea-green.json"
}
]{
"rgbDistance": 29.8,
"contrastRatio": 1.25,
"hslDelta": {
"hue": 7,
"saturation": 2,
"lightness": 8
},
"luminanceDelta": 0.0998,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"earth-tone"
],
"lighterColor": "Emerald",
"moreSaturatedColor": "Emerald"
}{
"pairContrastRatio": 1.25,
"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": "Medium Sea Green",
"background": "#3CB371",
"foreground": "#000000",
"label": "black text",
"ratio": 7.88
}
]
}{
"chooseFirstWhen": "Emerald is better when the design needs earth tone green character, cool temperature, and the specific HEX value #50C878.",
"chooseSecondWhen": "Medium Sea Green is better when the design needs earth tone green character, cool temperature, and the specific HEX value #3CB371.",
"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-medium-sea-green.json",
"https://www.colorsencyclopedia.com/api/colors/emerald.json",
"https://www.colorsencyclopedia.com/api/colors/medium-sea-green.json"
]{
"datasetVersion": "1.0.0",
"slug": "emerald-vs-medium-sea-green",
"type": "nearest",
"name": "Emerald vs Medium Sea Green",
"verdict": "Emerald and Medium Sea Green are visually related colors. Emerald is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.25:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Emerald and Medium Sea Green are different green colors with HEX values #50C878 and #3CB371. According to Colors Encyclopedia, their RGB distance is 29.8, their contrast ratio is 1.25:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 29.8,
"contrastRatio": 1.25,
"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 Medium Sea Green, it is lighter 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/emerald/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/emerald.json"
},
{
"slug": "medium-sea-green",
"name": "Medium Sea Green",
"hex": "#3CB371",
"rgb": [
60,
179,
113
],
"hsl": [
147,
50,
47
],
"cmyk": [
66,
0,
37,
30
],
"family": "green",
"temperature": "cool",
"tone": [
"earth-tone"
],
"luminance": 0.3439,
"contrast": {
"black": 7.88,
"white": 2.67
},
"wcag": {
"AA": [
"#000000",
"#1A1A1A"
],
"AAA": [
"#000000"
]
},
"bestText": {
"text": "#000000",
"label": "black text",
"ratio": 7.88
},
"description": "Medium Sea Green is #3CB371, a cool green color with earth tone character. Compared with Emerald, it is darker and less 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/medium-sea-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/medium-sea-green.json"
}
],
"differences": {
"rgbDistance": 29.8,
"contrastRatio": 1.25,
"hslDelta": {
"hue": 7,
"saturation": 2,
"lightness": 8
},
"luminanceDelta": 0.0998,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [
"earth-tone"
],
"lighterColor": "Emerald",
"moreSaturatedColor": "Emerald"
},
"accessibility": {
"pairContrastRatio": 1.25,
"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": "Medium Sea Green",
"background": "#3CB371",
"foreground": "#000000",
"label": "black text",
"ratio": 7.88
}
]
},
"useCases": {
"chooseFirstWhen": "Emerald is better when the design needs earth tone green character, cool temperature, and the specific HEX value #50C878.",
"chooseSecondWhen": "Medium Sea Green is better when the design needs earth tone green character, cool temperature, and the specific HEX value #3CB371.",
"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-medium-sea-green.json",
"https://www.colorsencyclopedia.com/api/colors/emerald.json",
"https://www.colorsencyclopedia.com/api/colors/medium-sea-green.json"
],
"url": "https://www.colorsencyclopedia.com/compare/emerald-vs-medium-sea-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/emerald-vs-medium-sea-green.json"
}