HEX atlas value

#90A509

#90A509 is a warm yellow HEX color close to Olive. According to Colors Encyclopedia, it converts to RGB 144, 165, 9, HSL 68, 90%, 34%, has luminance 0.3286, and belongs to the balanced group.

yellow warm balanced

#90A509 Sample readable text

HEX #90A509

RGB rgb(144, 165, 9)

HSL hsl(68 90% 34%)

CMYK cmyk(13, 0, 95, 35)

Luminance 0.3286

Contrast Black 7.57:1White 2.77:1

CSS

--color-90a509: #90A509;
.background-90a509 { background-color: #90A509; }
.text-90a509 { color: #90A509; }

Luminance0.3286

Black text7.57:1AA Pass

White text2.77:1AA 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

Structured sections

Color systems

{"hex":"#90A509","rgb":[144,165,9],"hsl":[68,90,34],"cmyk":[13,0,95,35],"luminance":0.3286,"contrast":{"black":7.57,"white":2.77}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":7.57,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.77,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#D5F316","hex":"#D5F316","family":"yellow","bestTextColor":"#000000","contrastBlack":16.66,"contrastWhite":1.26,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#1D09A5","hex":"#1D09A5","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.63,"contrastWhite":12.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Acid Green","hex":"#B0BF1A","family":"yellow","bestTextColor":"#000000","contrastBlack":10.31,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#444E04","hex":"#444E04","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.34,"contrastWhite":8.98,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#96AD00","hex":"#96AD00","family":"yellow","bestTextColor":"#000000","contrastBlack":8.27,"contrastWhite":2.54,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["warm yellow","balanced","balanced yellow","Olive adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/90a509.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/olive.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/dark-goldenrod.json"]}

Harmonies

{"complementary":"#1D09A5","analogous":["#A56C09","#42A509"],"triadic":["#0990A5","#A50990"],"tetradic":["#09A56C","#1D09A5","#A50942"],"splitComplementary":["#0942A5","#6C09A5"],"monochromatic":["#D5F316","#90A509","#444E04"]}

Variants

{"light":"#D5F316","dark":"#444E04","saturated":"#96AD00","desaturated":"#82921C","pastel":"#D0E548","neon":"#BAD600"}

Nearest named colors

[{"slug":"olive","name":"Olive","hex":"#808000","distance":41.30375285612676},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":44.598206241955516},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":50.6458290484024},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":50.73460357586329},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":50.73460357586329}]

HEX meaning and use

About #90A509

#90A509 is classified as a warm yellow value with balanced visual character. #90A509 is visually closest to Olive, a named yellow color with HEX #808000.

The RGB channels are 144, 165, and 9, with green carrying the strongest channel weight. In HSL, the hue is 68deg with 90% saturation and 34% lightness, so this page treats it as a high-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 highlight and warning systems. Its luminance is 0.3286, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 41.30, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.57:1AA Pass

White text2.77:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #90A509 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.57:1 · AAA

White text#FFFFFF2.77:1 · Fail

Accessible Alternatives

#D5F316#000000 text · best 16.66:1#D5F316

#1D09A5#FFFFFF text · best 12.85:1#1D09A5

Acid Green#000000 text · best 10.31:1#B0BF1A

#444E04#FFFFFF text · best 8.98:1#444E04

#96AD00#000000 text · best 8.27:1#96AD00

Generated Palette

#90A509#90A509

#1D09A5#1D09A5

#A56C09#A56C09

#42A509#42A509

#D5F316#D5F316

#444E04#444E04

Color Harmonies

#1D09A5#1D09A5

#A56C09#A56C09

#42A509#42A509

#0990A5#0990A5

#A50990#A50990

Variants

#D5F316#D5F316

#444E04#444E04

#96AD00#96AD00

#82921C#82921C

#D0E548#D0E548

#BAD600#BAD600

Nearest Named Colors

Olive#808000

Acid Green#B0BF1A

Dark Goldenrod#B8860B

Olive Drab#6B8E23

Olive Leaf#6B8E23

#90A509

CSS

Machine-Readable HEX Data (JSON)

About #90A509

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides