Nearest-color comparison
Cactus Green #587156 vs Storm Blue #4F666A: RGB distance 24.5 and contrast 1.14:1. Compare hue, luminance, saturation, WCAG and practical use.
Cactus Green and Storm Blue are very close, with an RGB distance of 24.5. Cactus Green is lighter by 0.0235, and Storm Blue is more saturated by 1 percentage points. Their mutual contrast is 1.14:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Cactus Green and Storm Blue across RGB distance, luminance, hue, saturation, and contrast.
green color
Cactus Green is #587156, a cool green with hue 116°, saturation 14% and luminance 0.1456. Beside Storm Blue, it is lighter and less saturated. Of the two standard text choices, white text gives the higher contrast at 5.37:1.
cyan color
Storm Blue is #4F666A, a cool cyan with hue 189°, saturation 15% and luminance 0.1221. Beside Cactus Green, it is darker and more saturated. Of the two standard text choices, white text gives the higher contrast at 6.1:1.
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 Cactus Green and Storm Blue, 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": "cactus-green",
"name": "Cactus Green",
"hex": "#587156",
"rgb": [
88,
113,
86
],
"hsl": [
116,
14,
39
],
"cmyk": [
22,
0,
24,
56
],
"family": "green",
"temperature": "cool",
"tone": [
"muted",
"earth-tone"
],
"luminance": 0.1456,
"contrast": {
"black": 3.91,
"white": 5.37
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 5.37
},
"description": "Cactus Green is #587156, a cool green color with muted and earth tone character. Compared with Storm Blue, it is lighter and less saturated. Use it for botanical palettes, natural product design, and seasonal editorial palettes, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/cactus-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/cactus-green.json"
},
{
"slug": "storm-blue",
"name": "Storm Blue",
"hex": "#4F666A",
"rgb": [
79,
102,
106
],
"hsl": [
189,
15,
36
],
"cmyk": [
25,
4,
0,
58
],
"family": "cyan",
"temperature": "cool",
"tone": [
"muted"
],
"luminance": 0.1221,
"contrast": {
"black": 3.44,
"white": 6.1
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 6.1
},
"description": "Storm Blue is #4F666A, a cool cyan color with muted character. Compared with Cactus Green, it is darker and more saturated. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/storm-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/storm-blue.json"
}
]{
"rgbDistance": 24.5,
"contrastRatio": 1.14,
"hslDelta": {
"hue": 73,
"saturation": 1,
"lightness": 3
},
"luminanceDelta": 0.0235,
"sameFamily": false,
"sameTemperature": true,
"sharedTones": [
"muted"
],
"lighterColor": "Cactus Green",
"moreSaturatedColor": "Storm Blue"
}{
"pairContrastRatio": 1.14,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Cactus Green",
"background": "#587156",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 5.37
},
{
"color": "Storm Blue",
"background": "#4F666A",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 6.1
}
]
}{
"chooseFirstWhen": "Cactus Green is better when the design needs muted and earth tone green character, cool temperature, and the specific HEX value #587156.",
"chooseSecondWhen": "Storm Blue is better when the design needs muted cyan character, cool temperature, and the specific HEX value #4F666A.",
"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/cactus-green-vs-storm-blue.json",
"https://www.colorsencyclopedia.com/api/colors/cactus-green.json",
"https://www.colorsencyclopedia.com/api/colors/storm-blue.json"
]{
"datasetVersion": "1.0.0",
"slug": "cactus-green-vs-storm-blue",
"type": "nearest",
"name": "Cactus Green vs Storm Blue",
"verdict": "Cactus Green and Storm Blue are very close colors. Cactus Green is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.14:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Cactus Green and Storm Blue are different green and cyan colors with HEX values #587156 and #4F666A. According to Colors Encyclopedia, their RGB distance is 24.5, their contrast ratio is 1.14:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 24.5,
"contrastRatio": 1.14,
"colors": [
{
"slug": "cactus-green",
"name": "Cactus Green",
"hex": "#587156",
"rgb": [
88,
113,
86
],
"hsl": [
116,
14,
39
],
"cmyk": [
22,
0,
24,
56
],
"family": "green",
"temperature": "cool",
"tone": [
"muted",
"earth-tone"
],
"luminance": 0.1456,
"contrast": {
"black": 3.91,
"white": 5.37
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 5.37
},
"description": "Cactus Green is #587156, a cool green color with muted and earth tone character. Compared with Storm Blue, it is lighter and less saturated. Use it for botanical palettes, natural product design, and seasonal editorial palettes, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/cactus-green/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/cactus-green.json"
},
{
"slug": "storm-blue",
"name": "Storm Blue",
"hex": "#4F666A",
"rgb": [
79,
102,
106
],
"hsl": [
189,
15,
36
],
"cmyk": [
25,
4,
0,
58
],
"family": "cyan",
"temperature": "cool",
"tone": [
"muted"
],
"luminance": 0.1221,
"contrast": {
"black": 3.44,
"white": 6.1
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 6.1
},
"description": "Storm Blue is #4F666A, a cool cyan color with muted character. Compared with Cactus Green, it is darker and more saturated. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/storm-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/storm-blue.json"
}
],
"differences": {
"rgbDistance": 24.5,
"contrastRatio": 1.14,
"hslDelta": {
"hue": 73,
"saturation": 1,
"lightness": 3
},
"luminanceDelta": 0.0235,
"sameFamily": false,
"sameTemperature": true,
"sharedTones": [
"muted"
],
"lighterColor": "Cactus Green",
"moreSaturatedColor": "Storm Blue"
},
"accessibility": {
"pairContrastRatio": 1.14,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Cactus Green",
"background": "#587156",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 5.37
},
{
"color": "Storm Blue",
"background": "#4F666A",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 6.1
}
]
},
"useCases": {
"chooseFirstWhen": "Cactus Green is better when the design needs muted and earth tone green character, cool temperature, and the specific HEX value #587156.",
"chooseSecondWhen": "Storm Blue is better when the design needs muted cyan character, cool temperature, and the specific HEX value #4F666A.",
"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/cactus-green-vs-storm-blue.json",
"https://www.colorsencyclopedia.com/api/colors/cactus-green.json",
"https://www.colorsencyclopedia.com/api/colors/storm-blue.json"
],
"url": "https://www.colorsencyclopedia.com/compare/cactus-green-vs-storm-blue/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/cactus-green-vs-storm-blue.json"
}