HEX atlas value

#31A561

#31A561 is a cool green HEX color close to Medium Sea Green. According to Colors Encyclopedia, it converts to RGB 49, 165, 97, HSL 145, 54%, 42%, has luminance 0.2843, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#31A561 Sample readable text

HEX #31A561

RGB rgb(49, 165, 97)

HSL hsl(145 54% 42%)

CMYK cmyk(70, 0, 41, 35)

Luminance 0.2843

Contrast Black 6.69:1White 3.14:1

CSS

--color-31a561: #31A561;
.background-31a561 { background-color: #31A561; }
.text-31a561 { color: #31A561; }

Luminance0.2843

Black text6.69:1AA Pass

White text3.14:1AA 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":"#31A561","rgb":[49,165,97],"hsl":[145,54,42],"cmyk":[70,0,41,35],"luminance":0.2843,"contrast":{"black":6.69,"white":3.14}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.69,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.14,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#62D090","hex":"#62D090","family":"green","bestTextColor":"#000000","contrastBlack":10.94,"contrastWhite":1.92,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#1ABC5E","hex":"#1ABC5E","family":"green","bestTextColor":"#000000","contrastBlack":8.4,"contrastWhite":2.5,"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":"#1C5E38","hex":"#1C5E38","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.71,"contrastWhite":7.75,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#31A59B","hex":"#31A59B","family":"cyan","bestTextColor":"#000000","contrastBlack":6.99,"contrastWhite":3.01,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool green","earth tone","jewel tone","earth tone green","jewel tone green","Medium 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/31a561.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/medium-sea-green.json","https://www.colorsencyclopedia.com/api/colors/sea-green.json","https://www.colorsencyclopedia.com/api/colors/alexandrite.json"]}

Harmonies

{"complementary":"#A53175","analogous":["#3BA531","#31A59B"],"triadic":["#6131A5","#A56131"],"tetradic":["#313BA5","#A53175","#A59B31"],"splitComplementary":["#9B31A5","#A5313B"],"monochromatic":["#62D090","#31A561","#1C5E38"]}

Variants

{"light":"#62D090","dark":"#1C5E38","saturated":"#1ABC5E","desaturated":"#498D65","pastel":"#8ACCA5","neon":"#00FF6A"}

Nearest named colors

[{"slug":"medium-sea-green","name":"Medium Sea Green","hex":"#3CB371","distance":23.93741840717165},{"slug":"sea-green","name":"Sea Green","hex":"#2E8B57","distance":28.0178514522438},{"slug":"alexandrite","name":"Alexandrite","hex":"#3D8B74","distance":34.36568055487916},{"slug":"viridian","name":"Viridian","hex":"#40826D","distance":39.92492955535426},{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":40.8656334834051}]

HEX meaning and use

About #31A561

#31A561 is classified as a cool green value with earth tone and jewel tone visual character. #31A561 is visually closest to Medium Sea Green, a named green color with HEX #3CB371.

The RGB channels are 49, 165, and 97, with green carrying the strongest channel weight. In HSL, the hue is 145deg 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 0.2843, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.94, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.69:1AA Pass

White text3.14:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #31A561 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.69:1 · AA

White text#FFFFFF3.14:1 · Fail

Accessible Alternatives

#62D090#000000 text · best 10.94:1#62D090

#1ABC5E#000000 text · best 8.4:1#1ABC5E

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

#1C5E38#FFFFFF text · best 7.75:1#1C5E38

#31A59B#000000 text · best 6.99:1#31A59B

Generated Palette

#31A561#31A561

#A53175#A53175

#3BA531#3BA531

#31A59B#31A59B

#62D090#62D090

#1C5E38#1C5E38

Color Harmonies

#A53175#A53175

#3BA531#3BA531

#31A59B#31A59B

#6131A5#6131A5

#A56131#A56131

Variants

#62D090#62D090

#1C5E38#1C5E38

#1ABC5E#1ABC5E

#498D65#498D65

#8ACCA5#8ACCA5

#00FF6A#00FF6A

Nearest Named Colors

Medium Sea Green#3CB371

Sea Green#2E8B57

Alexandrite#3D8B74

Viridian#40826D

Epoxy Green#4E8A57

#31A561

CSS

Machine-Readable HEX Data (JSON)

About #31A561

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides