HEX atlas value

#31A558

#31A558 is a cool green HEX color close to Sea Green. According to Colors Encyclopedia, it converts to RGB 49, 165, 88, HSL 140, 54%, 42%, has luminance 0.2827, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#31A558 Sample readable text

HEX #31A558

RGB rgb(49, 165, 88)

HSL hsl(140 54% 42%)

CMYK cmyk(70, 0, 47, 35)

Luminance 0.2827

Contrast Black 6.65:1White 3.16:1

CSS

--color-31a558: #31A558;
.background-31a558 { background-color: #31A558; }
.text-31a558 { color: #31A558; }

Luminance0.2827

Black text6.65:1AA Pass

White text3.16:1AA 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":"#31A558","rgb":[49,165,88],"hsl":[140,54,42],"cmyk":[70,0,47,35],"luminance":0.2827,"contrast":{"black":6.65,"white":3.16}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.65,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.16,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#62D087","hex":"#62D087","family":"green","bestTextColor":"#000000","contrastBlack":10.89,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#1ABC50","hex":"#1ABC50","family":"green","bestTextColor":"#000000","contrastBlack":8.35,"contrastWhite":2.51,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Medium Sea Green","hex":"#3CB371","family":"green","bestTextColor":"#000000","contrastBlack":7.88,"contrastWhite":2.67,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#1C5E32","hex":"#1C5E32","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.7,"contrastWhite":7.79,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#31A592","hex":"#31A592","family":"cyan","bestTextColor":"#000000","contrastBlack":6.93,"contrastWhite":3.03,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

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/31a558.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sea-green.json","https://www.colorsencyclopedia.com/api/colors/medium-sea-green.json","https://www.colorsencyclopedia.com/api/colors/epoxy-green.json"]}

Harmonies

{"complementary":"#A5317E","analogous":["#45A531","#31A592"],"triadic":["#5831A5","#A55831"],"tetradic":["#3145A5","#A5317E","#A59231"],"splitComplementary":["#9231A5","#A53145"],"monochromatic":["#62D087","#31A558","#1C5E32"]}

Variants

{"light":"#62D087","dark":"#1C5E32","saturated":"#1ABC50","desaturated":"#498D60","pastel":"#8ACCA0","neon":"#00FF55"}

Nearest named colors

[{"slug":"sea-green","name":"Sea Green","hex":"#2E8B57","distance":26.19160170741759},{"slug":"medium-sea-green","name":"Medium Sea Green","hex":"#3CB371","distance":30.692018506445613},{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":39.63584236521283},{"slug":"alexandrite","name":"Alexandrite","hex":"#3D8B74","distance":40.049968789001575},{"slug":"viridian","name":"Viridian","hex":"#40826D","distance":43.485629810317796}]

HEX meaning and use

About #31A558

#31A558 is classified as a cool green value with earth tone and jewel tone visual character. #31A558 is visually closest to Sea Green, a named green color with HEX #2E8B57.

The RGB channels are 49, 165, and 88, with green carrying the strongest channel weight. In HSL, the hue is 140deg with 54% saturation and 42% 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 0.2827, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 26.19, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.65:1AA Pass

White text3.16:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #31A558 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.65:1 · AA

White text#FFFFFF3.16:1 · Fail

Accessible Alternatives

#62D087#000000 text · best 10.89:1#62D087

#1ABC50#000000 text · best 8.35:1#1ABC50

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

#1C5E32#FFFFFF text · best 7.79:1#1C5E32

#31A592#000000 text · best 6.93:1#31A592

Generated Palette

#31A558#31A558

#A5317E#A5317E

#45A531#45A531

#31A592#31A592

#62D087#62D087

#1C5E32#1C5E32

Color Harmonies

#A5317E#A5317E

#45A531#45A531

#31A592#31A592

#5831A5#5831A5

#A55831#A55831

Variants

#62D087#62D087

#1C5E32#1C5E32

#1ABC50#1ABC50

#498D60#498D60

#8ACCA0#8ACCA0

#00FF55#00FF55

Nearest Named Colors

Sea Green#2E8B57

Medium Sea Green#3CB371

Epoxy Green#4E8A57

Alexandrite#3D8B74

Viridian#40826D

#31A558

CSS

Machine-Readable HEX Data (JSON)

About #31A558

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides