HEX atlas value

#B5BB81

#B5BB81 is a warm yellow HEX color close to Ecru. According to Colors Encyclopedia, it converts to RGB 181, 187, 129, HSL 66, 30%, 62%, has luminance 0.4695, and belongs to the earth tone group.

yellow warm earth-tone

#B5BB81 Sample readable text

HEX #B5BB81

RGB rgb(181, 187, 129)

HSL hsl(66 30% 62%)

CMYK cmyk(3, 0, 31, 27)

Luminance 0.4695

Contrast Black 10.39:1White 2.02:1

CSS

--color-b5bb81: #B5BB81;
.background-b5bb81 { background-color: #B5BB81; }
.text-b5bb81 { color: #B5BB81; }

Luminance0.4695

Black text10.39:1AA Pass

White text2.02:1AA 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

Structured sections

Color systems

{"hex":"#B5BB81","rgb":[181,187,129],"hsl":[66,30,62],"cmyk":[3,0,31,27],"luminance":0.4695,"contrast":{"black":10.39,"white":2.02}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":10.39,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.02,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#D8DBBD","hex":"#D8DBBD","family":"yellow","bestTextColor":"#000000","contrastBlack":14.79,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#C6D06C","hex":"#C6D06C","family":"yellow","bestTextColor":"#000000","contrastBlack":12.64,"contrastWhite":1.66,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Dark Khaki","hex":"#BDB76B","family":"yellow","bestTextColor":"#000000","contrastBlack":10.15,"contrastWhite":2.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Sand","hex":"#C2B280","family":"yellow","bestTextColor":"#000000","contrastBlack":9.97,"contrastWhite":2.11,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Willow Green","hex":"#A8B88F","family":"green","bestTextColor":"#000000","contrastBlack":9.92,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm yellow","earth tone","earth tone yellow","Ecru adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/b5bb81.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/ecru.json","https://www.colorsencyclopedia.com/api/colors/sand.json","https://www.colorsencyclopedia.com/api/colors/sage-gray.json"]}

Harmonies

{"complementary":"#8781BB","analogous":["#BBA481","#98BB81"],"triadic":["#81B5BB","#BB81B5"],"tetradic":["#81BBA4","#8781BB","#BB8198"],"splitComplementary":["#8198BB","#A481BB"],"monochromatic":["#D8DBBD","#B5BB81","#8B924F"]}

Variants

{"light":"#D8DBBD","dark":"#8B924F","saturated":"#C6D06C","desaturated":"#A4A696","pastel":"#E2E3D9","neon":"#F0FF66"}

Nearest named colors

[{"slug":"ecru","name":"Ecru","hex":"#C2B280","distance":15.84297951775486},{"slug":"sand","name":"Sand","hex":"#C2B280","distance":15.84297951775486},{"slug":"sage-gray","name":"Sage Gray","hex":"#B2AC88","distance":16.822603841260722},{"slug":"willow-green","name":"Willow Green","hex":"#A8B88F","distance":19.339079605813716},{"slug":"dark-khaki","name":"Dark Khaki","hex":"#BDB76B","distance":23.748684174075834}]

HEX meaning and use

About #B5BB81

#B5BB81 is classified as a warm yellow value with earth tone visual character. #B5BB81 is visually closest to Ecru, a named yellow color with HEX #C2B280.

The RGB channels are 181, 187, and 129, with green carrying the strongest channel weight. In HSL, the hue is 66deg with 30% saturation and 62% lightness, so this page treats it as a low-saturation, mid-lightness 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 natural palettes. Its luminance is 0.4695, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.84, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.39:1AA Pass

White text2.02:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #B5BB81 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.39:1 · AAA

White text#FFFFFF2.02:1 · Fail

Accessible Alternatives

#D8DBBD#000000 text · best 14.79:1#D8DBBD

#C6D06C#000000 text · best 12.64:1#C6D06C

Dark Khaki#000000 text · best 10.15:1#BDB76B

Sand#000000 text · best 9.97:1#C2B280

Willow Green#000000 text · best 9.92:1#A8B88F

Generated Palette

#B5BB81#B5BB81

#8781BB#8781BB

#BBA481#BBA481

#98BB81#98BB81

#D8DBBD#D8DBBD

#8B924F#8B924F

Color Harmonies

#8781BB#8781BB

#BBA481#BBA481

#98BB81#98BB81

#81B5BB#81B5BB

#BB81B5#BB81B5

Variants

#D8DBBD#D8DBBD

#8B924F#8B924F

#C6D06C#C6D06C

#A4A696#A4A696

#E2E3D9#E2E3D9

#F0FF66#F0FF66

Nearest Named Colors

Ecru#C2B280

Sand#C2B280

Sage Gray#B2AC88

Willow Green#A8B88F

Dark Khaki#BDB76B

#B5BB81

CSS

Machine-Readable HEX Data (JSON)

About #B5BB81

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides