HEX atlas value

#139A18

#139A18 is a cool green HEX color close to Forest Green. According to Colors Encyclopedia, it converts to RGB 19, 154, 24, HSL 122, 78%, 34%, has luminance 0.2332, and belongs to the jewel tone group.

green cool jewel-tone

#139A18 Sample readable text

HEX #139A18

RGB rgb(19, 154, 24)

HSL hsl(122 78% 34%)

CMYK cmyk(88, 0, 84, 40)

Luminance 0.2332

Contrast Black 5.66:1White 3.71:1

CSS

--color-139a18: #139A18;
.background-139a18 { background-color: #139A18; }
.text-139a18 { color: #139A18; }

Luminance0.2332

Black text5.66:1AA Pass

White text3.71:1AA 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":"#139A18","rgb":[19,154,24],"hsl":[122,78,34],"cmyk":[88,0,84,40],"luminance":0.2332,"contrast":{"black":5.66,"white":3.71}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.66,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.71,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#25E42B","hex":"#25E42B","family":"green","bestTextColor":"#000000","contrastBlack":12.21,"contrastWhite":1.72,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#09490B","hex":"#09490B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.97,"contrastWhite":10.66,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Emerald Dark","hex":"#046307","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.79,"contrastWhite":7.52,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Dark Green","hex":"#006400","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.82,"contrastWhite":7.44,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#9A1396","hex":"#9A1396","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.22,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]

AI context

{"semanticGroups":["cool green","jewel tone","jewel tone green","Forest Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/139a18.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/forest-green.json","https://www.colorsencyclopedia.com/api/colors/green.json","https://www.colorsencyclopedia.com/api/colors/emerald-dark.json"]}

Harmonies

{"complementary":"#9A1396","analogous":["#529A13","#139A5B"],"triadic":["#18139A","#9A1813"],"tetradic":["#13529A","#9A1396","#9A5B13"],"splitComplementary":["#5B139A","#9A1352"],"monochromatic":["#25E42B","#139A18","#09490B"]}

Variants

{"light":"#25E42B","dark":"#09490B","saturated":"#00AD06","desaturated":"#268729","pastel":"#55D859","neon":"#00D607"}

Nearest named colors

[{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":23.45207879911715},{"slug":"green","name":"Green","hex":"#008000","distance":40.162171256046406},{"slug":"emerald-dark","name":"Emerald Dark","hex":"#046307","distance":59.48949487094339},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":60.03332407921454},{"slug":"dark-green","name":"Dark Green","hex":"#006400","distance":62.07253821135398}]

HEX meaning and use

About #139A18

#139A18 is classified as a cool green value with jewel tone visual character. #139A18 is visually closest to Forest Green, a named green color with HEX #228B22.

The RGB channels are 19, 154, and 24, with green carrying the strongest channel weight. In HSL, the hue is 122deg with 78% saturation and 34% lightness, so this page treats it as a high-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 rich accent palettes. Its luminance is 0.2332, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.45, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.66:1AA Pass

White text3.71:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #139A18 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.66:1 · AA

White text#FFFFFF3.71:1 · Fail

Accessible Alternatives

#25E42B#000000 text · best 12.21:1#25E42B

#09490B#FFFFFF text · best 10.66:1#09490B

Emerald Dark#FFFFFF text · best 7.52:1#046307

Dark Green#FFFFFF text · best 7.44:1#006400

#9A1396#FFFFFF text · best 7.22:1#9A1396

Generated Palette

#139A18#139A18

#9A1396#9A1396

#529A13#529A13

#139A5B#139A5B

#25E42B#25E42B

#09490B#09490B

Color Harmonies

#9A1396#9A1396

#529A13#529A13

#139A5B#139A5B

#18139A#18139A

#9A1813#9A1813

Variants

#25E42B#25E42B

#09490B#09490B

#00AD06#00AD06

#268729#268729

#55D859#55D859

#00D607#00D607

Nearest Named Colors

Forest Green#228B22

Green#008000

Emerald Dark#046307

Scheele Green#478800

Dark Green#006400

#139A18

CSS

Machine-Readable HEX Data (JSON)

About #139A18

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides