HEX atlas value

#279B55

#279B55 is a cool green HEX color close to Sea Green. According to Colors Encyclopedia, it converts to RGB 39, 155, 85, HSL 144, 60%, 38%, has luminance 0.2453, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#279B55 Sample readable text

HEX #279B55

RGB rgb(39, 155, 85)

HSL hsl(144 60% 38%)

CMYK cmyk(75, 0, 45, 39)

Luminance 0.2453

Contrast Black 5.91:1White 3.56:1

CSS

--color-279b55: #279B55;
.background-279b55 { background-color: #279B55; }
.text-279b55 { color: #279B55; }

Luminance0.2453

Black text5.91:1AA Pass

White text3.56:1AA 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":"#279B55","rgb":[39,155,85],"hsl":[144,60,38],"cmyk":[75,0,45,39],"luminance":0.2453,"contrast":{"black":5.91,"white":3.56}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.91,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.56,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#4BD281","hex":"#4BD281","family":"green","bestTextColor":"#000000","contrastBlack":10.83,"contrastWhite":1.94,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#14522D","hex":"#14522D","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.27,"contrastWhite":9.23,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Medium Sea Green","hex":"#3CB371","family":"green","bestTextColor":"#000000","contrastBlack":7.88,"contrastWhite":2.67,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#11B051","hex":"#11B051","family":"green","bestTextColor":"#000000","contrastBlack":7.35,"contrastWhite":2.86,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#9B276D","hex":"#9B276D","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.9,"contrastWhite":7.23,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]

AI context

{"semanticGroups":["cool green","earth tone","jewel tone","earth tone green","jewel tone green","Sea Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/279b55.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sea-green.json","https://www.colorsencyclopedia.com/api/colors/shamrock.json","https://www.colorsencyclopedia.com/api/colors/alexandrite.json"]}

Harmonies

{"complementary":"#9B276D","analogous":["#329B27","#279B8F"],"triadic":["#55279B","#9B5527"],"tetradic":["#27329B","#9B276D","#9B8F27"],"splitComplementary":["#8F279B","#9B2732"],"monochromatic":["#4BD281","#279B55","#14522D"]}

Variants

{"light":"#4BD281","dark":"#14522D","saturated":"#11B051","desaturated":"#3C865A","pastel":"#76CB98","neon":"#00EB5E"}

Nearest named colors

[{"slug":"sea-green","name":"Sea Green","hex":"#2E8B57","distance":17.578395831246947},{"slug":"shamrock","name":"Shamrock","hex":"#009E60","distance":40.63249930782009},{"slug":"alexandrite","name":"Alexandrite","hex":"#3D8B74","distance":41.24318125460256},{"slug":"medium-sea-green","name":"Medium Sea Green","hex":"#3CB371","distance":42.43819034784589},{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":42.59107887809371}]

HEX meaning and use

About #279B55

#279B55 is classified as a cool green value with earth tone and jewel tone visual character. #279B55 is visually closest to Sea Green, a named green color with HEX #2E8B57.

The RGB channels are 39, 155, and 85, with green carrying the strongest channel weight. In HSL, the hue is 144deg with 60% saturation and 38% 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 0.2453, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.58, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.91:1AA Pass

White text3.56:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #279B55 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.91:1 · AA

White text#FFFFFF3.56:1 · Fail

Accessible Alternatives

#4BD281#000000 text · best 10.83:1#4BD281

#14522D#FFFFFF text · best 9.23:1#14522D

Medium Sea Green#000000 text · best 7.88:1#3CB371

#11B051#000000 text · best 7.35:1#11B051

#9B276D#FFFFFF text · best 7.23:1#9B276D

Generated Palette

#279B55#279B55

#9B276D#9B276D

#329B27#329B27

#279B8F#279B8F

#4BD281#4BD281

#14522D#14522D

Color Harmonies

#9B276D#9B276D

#329B27#329B27

#279B8F#279B8F

#55279B#55279B

#9B5527#9B5527

Variants

#4BD281#4BD281

#14522D#14522D

#11B051#11B051

#3C865A#3C865A

#76CB98#76CB98

#00EB5E#00EB5E

Nearest Named Colors

Sea Green#2E8B57

Shamrock#009E60

Alexandrite#3D8B74

Medium Sea Green#3CB371

Epoxy Green#4E8A57

#279B55

CSS

Machine-Readable HEX Data (JSON)

About #279B55

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides