HEX atlas value

#63AB2B

#63AB2B is a cool green HEX color close to Olive Drab. According to Colors Encyclopedia, it converts to RGB 99, 171, 43, HSL 94, 60%, 42%, has luminance 0.3195, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#63AB2B Sample readable text

HEX #63AB2B

RGB rgb(99, 171, 43)

HSL hsl(94 60% 42%)

CMYK cmyk(42, 0, 75, 33)

Luminance 0.3195

Contrast Black 7.39:1White 2.84:1

CSS

--color-63ab2b: #63AB2B;
.background-63ab2b { background-color: #63AB2B; }
.text-63ab2b { color: #63AB2B; }

Luminance0.3195

Black text7.39:1AA Pass

White text2.84:1AA 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":"#63AB2B","rgb":[99,171,43],"hsl":[94,60,42],"cmyk":[42,0,75,33],"luminance":0.3195,"contrast":{"black":7.39,"white":2.84}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":7.39,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.84,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Toxic Green","hex":"#61DE2A","family":"green","bestTextColor":"#000000","contrastBlack":11.99,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#91D65C","hex":"#91D65C","family":"green","bestTextColor":"#000000","contrastBlack":11.98,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#5FC313","hex":"#5FC313","family":"green","bestTextColor":"#000000","contrastBlack":9.3,"contrastWhite":2.26,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Kelly Green","hex":"#4CBB17","family":"green","bestTextColor":"#000000","contrastBlack":8.43,"contrastWhite":2.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A3AB2B","hex":"#A3AB2B","family":"yellow","bestTextColor":"#000000","contrastBlack":8.42,"contrastWhite":2.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["cool green","earth tone","jewel tone","earth tone green","jewel tone green","Olive Drab 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/63ab2b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/olive-drab.json","https://www.colorsencyclopedia.com/api/colors/olive-leaf.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json"]}

Harmonies

{"complementary":"#742BAB","analogous":["#A3AB2B","#2BAB33"],"triadic":["#2B63AB","#AB2B63"],"tetradic":["#2BA3AB","#742BAB","#AB332B"],"splitComplementary":["#332BAB","#AB2BA3"],"monochromatic":["#91D65C","#63AB2B","#386218"]}

Variants

{"light":"#91D65C","dark":"#386218","saturated":"#5FC313","desaturated":"#669442","pastel":"#A6D185","neon":"#6EFF00"}

Nearest named colors

[{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":31.12876483254676},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":31.12876483254676},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":34.42382895611701},{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":44.93328387732194},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":51.048996072400875}]

HEX meaning and use

About #63AB2B

#63AB2B is classified as a cool green value with earth tone and jewel tone visual character. #63AB2B is visually closest to Olive Drab, a named green color with HEX #6B8E23.

The RGB channels are 99, 171, and 43, with green carrying the strongest channel weight. In HSL, the hue is 94deg with 60% 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 0.3195, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.13, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.39:1AA Pass

White text2.84:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #63AB2B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.39:1 · AAA

White text#FFFFFF2.84:1 · Fail

Accessible Alternatives

Toxic Green#000000 text · best 11.99:1#61DE2A

#91D65C#000000 text · best 11.98:1#91D65C

#5FC313#000000 text · best 9.3:1#5FC313

Kelly Green#000000 text · best 8.43:1#4CBB17

#A3AB2B#000000 text · best 8.42:1#A3AB2B

Generated Palette

#63AB2B#63AB2B

#742BAB#742BAB

#A3AB2B#A3AB2B

#2BAB33#2BAB33

#91D65C#91D65C

#386218#386218

Color Harmonies

#742BAB#742BAB

#A3AB2B#A3AB2B

#2BAB33#2BAB33

#2B63AB#2B63AB

#AB2B63#AB2B63

Variants

#91D65C#91D65C

#386218#386218

#5FC313#5FC313

#669442#669442

#A6D185#A6D185

#6EFF00#6EFF00

Nearest Named Colors

Olive Drab#6B8E23

Olive Leaf#6B8E23

Kelly Green#4CBB17

Olive Green#708238

Toxic Green#61DE2A

#63AB2B

CSS

Machine-Readable HEX Data (JSON)

About #63AB2B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides