Nearest-color comparison
Firebrick #B22222 vs Tool Red #B11226: RGB distance 16.5 and contrast 1.05:1. Compare hue, luminance, saturation, WCAG and practical use.
Firebrick and Tool Red are very close, with an RGB distance of 16.5. Firebrick is lighter by 0.008, and Tool Red is more saturated by 14 percentage points. Their mutual contrast is 1.05:1. The pair is too close for a readable foreground/background combination and works better as neighboring palette colors.
The main measurable differences between Firebrick and Tool Red across RGB distance, luminance, hue, saturation, and contrast.
red color
Firebrick is #B22222, a warm red with hue 0°, saturation 68% and luminance 0.1072. Beside Tool Red, it is lighter and less saturated. Of the two standard text choices, white text gives the higher contrast at 6.68:1.
red color
Tool Red is #B11226, a warm red with hue 352°, saturation 82% and luminance 0.0992. Beside Firebrick, it is darker and more saturated. Of the two standard text choices, white text gives the higher contrast at 7.04:1.
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 Firebrick and Tool Red, 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": "firebrick",
"name": "Firebrick",
"hex": "#B22222",
"rgb": [
178,
34,
34
],
"hsl": [
0,
68,
42
],
"cmyk": [
0,
81,
81,
30
],
"family": "red",
"temperature": "warm",
"tone": [
"balanced"
],
"luminance": 0.1072,
"contrast": {
"black": 3.14,
"white": 6.68
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 6.68
},
"description": "Firebrick is #B22222, a warm red color with balanced character. Compared with Tool Red, it is lighter and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/firebrick/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/firebrick.json"
},
{
"slug": "tool-red",
"name": "Tool Red",
"hex": "#B11226",
"rgb": [
177,
18,
38
],
"hsl": [
352,
82,
38
],
"cmyk": [
0,
90,
79,
31
],
"family": "red",
"temperature": "warm",
"tone": [
"vibrant"
],
"luminance": 0.0992,
"contrast": {
"black": 2.98,
"white": 7.04
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.04
},
"description": "Tool Red is #B11226, a warm red color with vibrant character. Compared with Firebrick, it is darker and more saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/tool-red/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/tool-red.json"
}
]{
"rgbDistance": 16.5,
"contrastRatio": 1.05,
"hslDelta": {
"hue": 352,
"saturation": 14,
"lightness": 4
},
"luminanceDelta": 0.008,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Firebrick",
"moreSaturatedColor": "Tool Red"
}{
"pairContrastRatio": 1.05,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Firebrick",
"background": "#B22222",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 6.68
},
{
"color": "Tool Red",
"background": "#B11226",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.04
}
]
}{
"chooseFirstWhen": "Firebrick is better when the design needs balanced red character, warm temperature, and the specific HEX value #B22222.",
"chooseSecondWhen": "Tool Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #B11226.",
"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/firebrick-vs-tool-red.json",
"https://www.colorsencyclopedia.com/api/colors/firebrick.json",
"https://www.colorsencyclopedia.com/api/colors/tool-red.json"
]{
"datasetVersion": "1.0.0",
"slug": "firebrick-vs-tool-red",
"type": "nearest",
"name": "Firebrick vs Tool Red",
"verdict": "Firebrick and Tool Red are very close colors. Firebrick is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.05:1, so the pair is too low for text and better treated as a palette relationship.",
"summary": "Firebrick and Tool Red are different red colors with HEX values #B22222 and #B11226. According to Colors Encyclopedia, their RGB distance is 16.5, their contrast ratio is 1.05:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
"rgbDistance": 16.5,
"contrastRatio": 1.05,
"colors": [
{
"slug": "firebrick",
"name": "Firebrick",
"hex": "#B22222",
"rgb": [
178,
34,
34
],
"hsl": [
0,
68,
42
],
"cmyk": [
0,
81,
81,
30
],
"family": "red",
"temperature": "warm",
"tone": [
"balanced"
],
"luminance": 0.1072,
"contrast": {
"black": 3.14,
"white": 6.68
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": []
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 6.68
},
"description": "Firebrick is #B22222, a warm red color with balanced character. Compared with Tool Red, it is lighter and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/firebrick/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/firebrick.json"
},
{
"slug": "tool-red",
"name": "Tool Red",
"hex": "#B11226",
"rgb": [
177,
18,
38
],
"hsl": [
352,
82,
38
],
"cmyk": [
0,
90,
79,
31
],
"family": "red",
"temperature": "warm",
"tone": [
"vibrant"
],
"luminance": 0.0992,
"contrast": {
"black": 2.98,
"white": 7.04
},
"wcag": {
"AA": [
"#FFFFFF",
"#F5F5F5"
],
"AAA": [
"#FFFFFF"
]
},
"bestText": {
"text": "#FFFFFF",
"label": "white text",
"ratio": 7.04
},
"description": "Tool Red is #B11226, a warm red color with vibrant character. Compared with Firebrick, it is darker and more saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
"url": "https://www.colorsencyclopedia.com/colors/tool-red/",
"apiUrl": "https://www.colorsencyclopedia.com/api/colors/tool-red.json"
}
],
"differences": {
"rgbDistance": 16.5,
"contrastRatio": 1.05,
"hslDelta": {
"hue": 352,
"saturation": 14,
"lightness": 4
},
"luminanceDelta": 0.008,
"sameFamily": true,
"sameTemperature": true,
"sharedTones": [],
"lighterColor": "Firebrick",
"moreSaturatedColor": "Tool Red"
},
"accessibility": {
"pairContrastRatio": 1.05,
"textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
"safeText": [
{
"color": "Firebrick",
"background": "#B22222",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 6.68
},
{
"color": "Tool Red",
"background": "#B11226",
"foreground": "#FFFFFF",
"label": "white text",
"ratio": 7.04
}
]
},
"useCases": {
"chooseFirstWhen": "Firebrick is better when the design needs balanced red character, warm temperature, and the specific HEX value #B22222.",
"chooseSecondWhen": "Tool Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #B11226.",
"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/firebrick-vs-tool-red.json",
"https://www.colorsencyclopedia.com/api/colors/firebrick.json",
"https://www.colorsencyclopedia.com/api/colors/tool-red.json"
],
"url": "https://www.colorsencyclopedia.com/compare/firebrick-vs-tool-red/",
"apiUrl": "https://www.colorsencyclopedia.com/api/compare/firebrick-vs-tool-red.json"
}