Colors Encyclopedia

HEX atlas value

#577F1A

#577F1A is a cool green HEX color close to Fern Frond. According to Colors Encyclopedia, it converts to RGB 87, 127, 26, HSL 84, 66%, 30%, has luminance 0.1728, and belongs to the jewel tone group.

greencooljewel-tone
#577F1A Sample readable text
HEX #577F1A
RGB rgb(87, 127, 26)
HSL hsl(84 66% 30%)
CMYK cmyk(31, 0, 80, 50)
Luminance 0.1728
Contrast Black 4.46:1White 4.71:1

CSS

--color-577f1a: #577F1A;
.background-577f1a { background-color: #577F1A; }
.text-577f1a { color: #577F1A; }

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
Luminance0.1728
Black text4.46:1AA Fail
White text4.71:1AA 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":"#577F1A","rgb":[87,127,26],"hsl":[84,66,30],"cmyk":[31,0,80,50],"luminance":0.1728,"contrast":{"black":4.46,"white":4.71}}
WCAG
{"AA":["#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.46,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.71,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#23330A","hex":"#23330A","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.55,"contrastWhite":13.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#421A7F","hex":"#421A7F","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.69,"contrastWhite":12.46,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#8BCB2A","hex":"#8BCB2A","family":"green","bestTextColor":"#000000","contrastBlack":10.67,"contrastWhite":1.97,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Dark Olive Green","hex":"#556B2F","family":"green","bestTextColor":"#FFFFFF","contrastBlack":3.53,"contrastWhite":5.95,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#536E2B","hex":"#536E2B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":3.63,"contrastWhite":5.78,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["cool green","jewel tone","jewel tone green","Fern Frond adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/577f1a.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-drab.json"]}
Harmonies
{"complementary":"#421A7F","analogous":["#7F751A","#247F1A"],"triadic":["#1A577F","#7F1A57"],"tetradic":["#1A7F75","#421A7F","#7F1A24"],"splitComplementary":["#1A247F","#751A7F"],"monochromatic":["#8BCB2A","#577F1A","#23330A"]}
Variants
{"light":"#8BCB2A","dark":"#23330A","saturated":"#5A9009","desaturated":"#536E2B","pastel":"#98C752","neon":"#74C200"}
Nearest named colors
[{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":20.024984394500787},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":23.2163735324878},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":26.570660511172846},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":26.570660511172846},{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":29.068883707497267}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #577F1A

#577F1A is classified as a cool green value with jewel tone visual character. #577F1A is visually closest to Fern Frond, a named green color with HEX #657220.

The RGB channels are 87, 127, and 26, with green carrying the strongest channel weight. In HSL, the hue is 84deg with 66% saturation and 30% lightness, so this page treats it as a moderate-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 rich accent palettes. Its luminance is 0.1728, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.02, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.46:1AA Fail
White text4.71:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #577F1A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.46:1 · Fail
White text#FFFFFF4.71:1 · AA

Accessible Alternatives

#23330A#FFFFFF text · best 13.55:1#23330A
#421A7F#FFFFFF text · best 12.46:1#421A7F
#8BCB2A#000000 text · best 10.67:1#8BCB2A
Dark Olive Green#FFFFFF text · best 5.95:1#556B2F
#536E2B#FFFFFF text · best 5.78:1#536E2B

Generated Palette

#577F1A#577F1A
#421A7F#421A7F
#7F751A#7F751A
#247F1A#247F1A
#8BCB2A#8BCB2A
#23330A#23330A

Color Harmonies

#421A7F#421A7F
#7F751A#7F751A
#247F1A#247F1A
#1A577F#1A577F
#7F1A57#7F1A57

Variants

#8BCB2A#8BCB2A
#23330A#23330A
#5A9009#5A9009
#536E2B#536E2B
#98C752#98C752
#74C200#74C200

Nearest Named Colors

Fern Frond#657220
Avocado#568203
Olive Drab#6B8E23
Olive Leaf#6B8E23
Dark Olive Green#556B2F

Related HEX Guides

Fern Frond colorOpen the nearest named color reference for #657220.Avocado colorOpen the nearest named color reference for #568203.Olive Drab colorOpen the nearest named color reference for #6B8E23.Green color familyBrowse named green colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Jewel Tone colorsFind colors in the jewel tone group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#577F1A APIOpen the machine-readable JSON record for this HEX value.