HEX atlas value

#878B23

#878B23 is a warm yellow HEX color close to Olive Drab. According to Colors Encyclopedia, it converts to RGB 135, 139, 35, HSL 62, 60%, 34%, has luminance 0.2374, and belongs to the earth tone group.

yellow warm earth-tone

#878B23 Sample readable text

HEX #878B23

RGB rgb(135, 139, 35)

HSL hsl(62 60% 34%)

CMYK cmyk(3, 0, 75, 45)

Luminance 0.2374

Contrast Black 5.75:1White 3.65:1

CSS

--color-878b23: #878B23;
.background-878b23 { background-color: #878B23; }
.text-878b23 { color: #878B23; }

Luminance0.2374

Black text5.75:1AA Pass

White text3.65:1AA 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":"#878B23","rgb":[135,139,35],"hsl":[62,60,34],"cmyk":[3,0,75,45],"luminance":0.2374,"contrast":{"black":5.75,"white":3.65}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.75,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.65,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#C9CE3B","hex":"#C9CE3B","family":"yellow","bestTextColor":"#000000","contrastBlack":12.38,"contrastWhite":1.7,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#26238B","hex":"#26238B","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.7,"contrastWhite":12.38,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#404110","hex":"#404110","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.98,"contrastWhite":10.6,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#999E10","hex":"#999E10","family":"yellow","bestTextColor":"#000000","contrastBlack":7.25,"contrastWhite":2.9,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#8B5A23","hex":"#8B5A23","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":3.58,"contrastWhite":5.86,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm yellow","earth tone","earth tone yellow","Olive Drab adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/878b23.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/olive-drab.json","https://www.colorsencyclopedia.com/api/colors/olive-leaf.json","https://www.colorsencyclopedia.com/api/colors/olive-green.json"]}

Harmonies

{"complementary":"#26238B","analogous":["#8B5A23","#538B23"],"triadic":["#23878B","#8B2387"],"tetradic":["#238B5A","#26238B","#8B2353"],"splitComplementary":["#23538B","#5A238B"],"monochromatic":["#C9CE3B","#878B23","#404110"]}

Variants

{"light":"#C9CE3B","dark":"#404110","saturated":"#999E10","desaturated":"#757836","pastel":"#C2C567","neon":"#CFD600"}

Nearest named colors

[{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":28.160255680657446},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":28.160255680657446},{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":32.41913015489465},{"slug":"olive","name":"Olive","hex":"#808000","distance":37.3496987939662},{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":42.30839160261236}]

HEX meaning and use

About #878B23

#878B23 is classified as a warm yellow value with earth tone visual character. #878B23 is visually closest to Olive Drab, a named green color with HEX #6B8E23.

The RGB channels are 135, 139, and 35, with green carrying the strongest channel weight. In HSL, the hue is 62deg with 60% saturation and 34% lightness, so this page treats it as a moderate-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 0.2374, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.16, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.75:1AA Pass

White text3.65:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #878B23 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.75:1 · AA

White text#FFFFFF3.65:1 · Fail

Accessible Alternatives

#C9CE3B#000000 text · best 12.38:1#C9CE3B

#26238B#FFFFFF text · best 12.38:1#26238B

#404110#FFFFFF text · best 10.6:1#404110

#999E10#000000 text · best 7.25:1#999E10

#8B5A23#FFFFFF text · best 5.86:1#8B5A23

Generated Palette

#878B23#878B23

#26238B#26238B

#8B5A23#8B5A23

#538B23#538B23

#C9CE3B#C9CE3B

#404110#404110

Color Harmonies

#26238B#26238B

#8B5A23#8B5A23

#538B23#538B23

#23878B#23878B

#8B2387#8B2387

Variants

#C9CE3B#C9CE3B

#404110#404110

#999E10#999E10

#757836#757836

#C2C567#C2C567

#CFD600#CFD600

Nearest Named Colors

Olive Drab#6B8E23

Olive Leaf#6B8E23

Olive Green#708238

Olive#808000

Fern Frond#657220

#878B23

CSS

Machine-Readable HEX Data (JSON)

About #878B23

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides