HEX atlas value

#B1C9B3

#B1C9B3 is a cool green HEX color close to Ash Gray. According to Colors Encyclopedia, it converts to RGB 177, 201, 179, HSL 125, 18%, 74%, has luminance 0.5438, and belongs to the muted group.

#B1C9B3 Sample readable text
HEX #B1C9B3
RGB rgb(177, 201, 179)
HSL hsl(125 18% 74%)
CMYK cmyk(12, 0, 11, 21)
Luminance 0.5438
Contrast Black 11.88:1White 1.77:1

CSS

--color-b1c9b3: #B1C9B3;
.background-b1c9b3 { background-color: #B1C9B3; }
.text-b1c9b3 { color: #B1C9B3; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.5438
Black text11.88:1AA Pass
White text1.77:1AA Fail
hexCanonical HEX value
rgbRed, green, blue channels
hslHue, saturation, lightness
cmykApproximate print conversion
wcagAA and AAA contrast options
harmoniesMathematical harmony sets
variantsGenerated tone variants
nearestColorsKnowledge graph neighbors
Download JSON Open API
Structured sections
Color systems
{"hex":"#B1C9B3","rgb":[177,201,179],"hsl":[125,18,74],"cmyk":[12,0,11,21],"luminance":0.5438,"contrast":{"black":11.88,"white":1.77}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":11.88,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.77,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#E7EEE8","hex":"#E7EEE8","family":"green","bestTextColor":"#000000","contrastBlack":17.79,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Celadon","hex":"#ACE1AF","family":"green","bestTextColor":"#000000","contrastBlack":14.14,"contrastWhite":1.48,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A2D7A7","hex":"#A2D7A7","family":"green","bestTextColor":"#000000","contrastBlack":12.81,"contrastWhite":1.64,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#BBC9B1","hex":"#BBC9B1","family":"green","bestTextColor":"#000000","contrastBlack":12.1,"contrastWhite":1.74,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#B1C9BF","hex":"#B1C9BF","family":"green","bestTextColor":"#000000","contrastBlack":11.98,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["cool green","muted","muted green","Ash Gray adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b1c9b3.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/ash-gray.json","https://www.colorsencyclopedia.com/api/colors/pumice.json","https://www.colorsencyclopedia.com/api/colors/opal.json"]}
Harmonies
{"complementary":"#C9B1C7","analogous":["#BBC9B1","#B1C9BF"],"triadic":["#B3B1C9","#C9B3B1"],"tetradic":["#B1BBC9","#C9B1C7","#C9BFB1"],"splitComplementary":["#BFB1C9","#C9B1BB"],"monochromatic":["#E7EEE8","#B1C9B3","#7BA37E"]}
Variants
{"light":"#E7EEE8","dark":"#7BA37E","saturated":"#A2D7A7","desaturated":"#BDBDBD","pastel":"#FCFDFC","neon":"#A3FFAB"}
Nearest named colors
[{"slug":"ash-gray","name":"Ash Gray","hex":"#B2BEB5","distance":11.224972160321824},{"slug":"pumice","name":"Pumice","hex":"#BAC0B4","distance":12.767145334803704},{"slug":"opal","name":"Opal","hex":"#A8C3BC","distance":14.071247279470288},{"slug":"silver","name":"Silver","hex":"#C0C0C0","distance":21.79449471770337},{"slug":"celadon","name":"Celadon","hex":"#ACE1AF","distance":24.839484696748443}]

HEX meaning and use

About #B1C9B3

#B1C9B3 is classified as a cool green value with muted visual character. #B1C9B3 is visually closest to Ash Gray, a named green color with HEX #B2BEB5.

The RGB channels are 177, 201, and 179, with green carrying the strongest channel weight. In HSL, the hue is 125deg with 18% saturation and 74% lightness, so this page treats it as a low-saturation, light atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and muted interface themes. Its luminance is 0.5438, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 11.22, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.88:1AA Pass
White text1.77:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B1C9B3 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.88:1 · AAA
White text#FFFFFF1.77:1 · Fail

Accessible Alternatives

#E7EEE8#000000 text · best 17.79:1#E7EEE8
Celadon#000000 text · best 14.14:1#ACE1AF
#A2D7A7#000000 text · best 12.81:1#A2D7A7
#BBC9B1#000000 text · best 12.1:1#BBC9B1
#B1C9BF#000000 text · best 11.98:1#B1C9BF

Generated Palette

#B1C9B3#B1C9B3
#C9B1C7#C9B1C7
#BBC9B1#BBC9B1
#B1C9BF#B1C9BF
#E7EEE8#E7EEE8
#7BA37E#7BA37E

Color Harmonies

#C9B1C7#C9B1C7
#BBC9B1#BBC9B1
#B1C9BF#B1C9BF
#B3B1C9#B3B1C9
#C9B3B1#C9B3B1

Variants

#E7EEE8#E7EEE8
#7BA37E#7BA37E
#A2D7A7#A2D7A7
#BDBDBD#BDBDBD
#FCFDFC#FCFDFC
#A3FFAB#A3FFAB

Nearest Named Colors