HEX atlas value

#66760F

#66760F is a warm yellow HEX color close to Fern Frond. According to Colors Encyclopedia, it converts to RGB 102, 118, 15, HSL 69, 77%, 26%, has luminance 0.1582, and belongs to the balanced group.

#66760F Sample readable text
HEX #66760F
RGB rgb(102, 118, 15)
HSL hsl(69 77% 26%)
CMYK cmyk(14, 0, 87, 54)
Luminance 0.1582
Contrast Black 4.16:1White 5.04:1

CSS

--color-66760f: #66760F;
.background-66760f { background-color: #66760F; }
.text-66760f { color: #66760F; }

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
Luminance0.1582
Black text4.16:1AA Fail
White text5.04:1AA Pass
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":"#66760F","rgb":[102,118,15],"hsl":[69,77,26],"cmyk":[14,0,87,54],"luminance":0.1582,"contrast":{"black":4.16,"white":5.04}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.16,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.04,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#1F2405","hex":"#1F2405","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.31,"contrastWhite":16.01,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#1F0F75","hex":"#1F0F75","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.38,"contrastWhite":15.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#ADC71A","hex":"#ADC71A","family":"yellow","bestTextColor":"#000000","contrastBlack":10.96,"contrastWhite":1.92,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#75520F","hex":"#75520F","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.97,"contrastWhite":7.07,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#5C671E","hex":"#5C671E","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":3.41,"contrastWhite":6.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm yellow","balanced","balanced yellow","Fern Frond adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/66760f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fern-frond.json","https://www.colorsencyclopedia.com/api/colors/avocado.json","https://www.colorsencyclopedia.com/api/colors/olive.json"]}
Harmonies
{"complementary":"#1F0F75","analogous":["#75520F","#33750F"],"triadic":["#0F6675","#750F66"],"tetradic":["#0F7552","#1F0F75","#750F33"],"splitComplementary":["#0F3375","#520F75"],"monochromatic":["#ADC71A","#66760F","#1F2405"]}
Variants
{"light":"#ADC71A","dark":"#1F2405","saturated":"#708401","desaturated":"#5C671E","pastel":"#B8D035","neon":"#93AD00"}
Nearest named colors
[{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":17.4928556845359},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":23.323807579381203},{"slug":"olive","name":"Olive","hex":"#808000","distance":31.63858403911275},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":31.63858403911275},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":31.63858403911275}]

HEX meaning and use

About #66760F

#66760F is classified as a warm yellow value with balanced visual character. #66760F is visually closest to Fern Frond, a named green color with HEX #657220.

The RGB channels are 102, 118, and 15, with green carrying the strongest channel weight. In HSL, the hue is 69deg with 77% saturation and 26% lightness, so this page treats it as a high-saturation, dark 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 0.1582, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.49, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.16:1AA Fail
White text5.04:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #66760F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.16:1 · Fail
White text#FFFFFF5.04:1 · AA

Accessible Alternatives

#1F2405#FFFFFF text · best 16.01:1#1F2405
#1F0F75#FFFFFF text · best 15.17:1#1F0F75
#ADC71A#000000 text · best 10.96:1#ADC71A
#75520F#FFFFFF text · best 7.07:1#75520F
#5C671E#FFFFFF text · best 6.15:1#5C671E

Generated Palette

#66760F#66760F
#1F0F75#1F0F75
#75520F#75520F
#33750F#33750F
#ADC71A#ADC71A
#1F2405#1F2405

Color Harmonies

#1F0F75#1F0F75
#75520F#75520F
#33750F#33750F
#0F6675#0F6675
#750F66#750F66

Variants

#ADC71A#ADC71A
#1F2405#1F2405
#708401#708401
#5C671E#5C671E
#B8D035#B8D035
#93AD00#93AD00

Nearest Named Colors