HEX atlas value

#1B520A

#1B520A is a cool green HEX color close to Emerald Dark. According to Colors Encyclopedia, it converts to RGB 27, 82, 10, HSL 106, 78%, 18%, has luminance 0.0629, and belongs to the dark and jewel tone groups.

green cool dark jewel-tone

#1B520A Sample readable text

HEX #1B520A

RGB rgb(27, 82, 10)

HSL hsl(106 78% 18%)

CMYK cmyk(67, 0, 88, 68)

Luminance 0.0629

Contrast Black 2.26:1White 9.3:1

CSS

--color-1b520a: #1B520A;
.background-1b520a { background-color: #1B520A; }
.text-1b520a { color: #1B520A; }

Luminance0.0629

Black text2.26:1AA Fail

White text9.3:1AA Pass

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":"#1B520A","rgb":[27,82,10],"hsl":[106,78,18],"cmyk":[67,0,88,68],"luminance":0.0629,"contrast":{"black":2.26,"white":9.3}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":2.26,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":9.3,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#410A52","hex":"#410A52","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.39,"contrastWhite":15.11,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Rubber","hex":"#2A2725","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.42,"contrastWhite":14.83,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"British Racing Green","hex":"#004225","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.81,"contrastWhite":11.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#204814","hex":"#204814","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2,"contrastWhite":10.51,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","dark","jewel tone","dark green","jewel tone green","Emerald Dark adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","dark theme accents","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/1b520a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/emerald-dark.json","https://www.colorsencyclopedia.com/api/colors/terre-verte.json","https://www.colorsencyclopedia.com/api/colors/dark-green.json"]}

Harmonies

{"complementary":"#410A52","analogous":["#3F520A","#0A521D"],"triadic":["#0A1B52","#520A1B"],"tetradic":["#0A3F52","#410A52","#521D0A"],"splitComplementary":["#1D0A52","#520A3F"],"monochromatic":["#36A314","#1B520A","#000000"]}

Variants

{"light":"#36A314","dark":"#000000","saturated":"#155C00","desaturated":"#204814","pastel":"#49B329","neon":"#1F8500"}

Nearest named colors

[{"slug":"emerald-dark","name":"Emerald Dark","hex":"#046307","distance":28.75760768909681},{"slug":"terre-verte","name":"Terre Verte","hex":"#385E0F","distance":31.78049716414141},{"slug":"dark-green","name":"Dark Green","hex":"#006400","distance":33.95585369269929},{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","distance":41.400483088968905},{"slug":"rubber","name":"Rubber","hex":"#2A2725","distance":52.94336596779619}]

HEX meaning and use

About #1B520A

#1B520A is classified as a cool green value with dark and jewel tone visual character. #1B520A is visually closest to Emerald Dark, a named green color with HEX #046307.

The RGB channels are 27, 82, and 10, with green carrying the strongest channel weight. In HSL, the hue is 106deg with 78% saturation and 18% lightness, so this page treats it as a high-saturation, dark 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 0.0629, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.76, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text2.26:1AA Fail

White text9.3:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1B520A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000002.26:1 · Fail

White text#FFFFFF9.3:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

#410A52#FFFFFF text · best 15.11:1#410A52

Rubber#FFFFFF text · best 14.83:1#2A2725

British Racing Green#FFFFFF text · best 11.63:1#004225

#204814#FFFFFF text · best 10.51:1#204814

Generated Palette

#1B520A#1B520A

#410A52#410A52

#3F520A#3F520A

#0A521D#0A521D

#36A314#36A314

Black#000000

Color Harmonies

#410A52#410A52

#3F520A#3F520A

#0A521D#0A521D

#0A1B52#0A1B52

#520A1B#520A1B

Variants

#36A314#36A314

Black#000000

#155C00#155C00

#204814#204814

#49B329#49B329

#1F8500#1F8500

Nearest Named Colors

Emerald Dark#046307

Terre Verte#385E0F

Dark Green#006400

British Racing Green#004225

Rubber#2A2725

#1B520A

CSS

Machine-Readable HEX Data (JSON)

About #1B520A

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides