HEX atlas value

#23A121

#23A121 is a cool green HEX color close to Forest Green. According to Colors Encyclopedia, it converts to RGB 35, 161, 33, HSL 119, 66%, 38%, has luminance 0.2596, and belongs to the jewel tone group.

#23A121 Sample readable text
HEX #23A121
RGB rgb(35, 161, 33)
HSL hsl(119 66% 38%)
CMYK cmyk(78, 0, 80, 37)
Luminance 0.2596
Contrast Black 6.19:1White 3.39:1

CSS

--color-23a121: #23A121;
.background-23a121 { background-color: #23A121; }
.text-23a121 { color: #23A121; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.2596
Black text6.19:1AA Pass
White text3.39:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#23A121","rgb":[35,161,33],"hsl":[119,66,38],"cmyk":[78,0,80,37],"luminance":0.2596,"contrast":{"black":6.19,"white":3.39}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.19,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.39,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#47D945","hex":"#47D945","family":"green","bestTextColor":"#000000","contrastBlack":11.28,"contrastWhite":1.86,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Lime Green","hex":"#32CD32","family":"green","bestTextColor":"#000000","contrastBlack":9.91,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#125511","hex":"#125511","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.33,"contrastWhite":9,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Kelly Green","hex":"#4CBB17","family":"green","bestTextColor":"#000000","contrastBlack":8.43,"contrastWhite":2.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#0EB60C","hex":"#0EB60C","family":"green","bestTextColor":"#000000","contrastBlack":7.72,"contrastWhite":2.72,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
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/23a121.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/forest-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json"]}
Harmonies
{"complementary":"#9F21A1","analogous":["#63A121","#21A15F"],"triadic":["#2123A1","#A12123"],"tetradic":["#2163A1","#9F21A1","#A15F21"],"splitComplementary":["#5F21A1","#A12163"],"monochromatic":["#47D945","#23A121","#125511"]}
Variants
{"light":"#47D945","dark":"#125511","saturated":"#0EB60C","desaturated":"#388C36","pastel":"#72D171","neon":"#04EB00"}
Nearest named colors
[{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":22.045407685048602},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":49.49747468305833},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":49.56813492557492},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":54.86346689738081},{"slug":"green","name":"Green","hex":"#008000","distance":58.33523806414096}]

HEX meaning and use

About #23A121

#23A121 is classified as a cool green value with jewel tone visual character. #23A121 is visually closest to Forest Green, a named green color with HEX #228B22.

The RGB channels are 35, 161, and 33, with green carrying the strongest channel weight. In HSL, the hue is 119deg with 66% saturation and 38% 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 rich accent palettes. Its luminance is 0.2596, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.05, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.19:1AA Pass
White text3.39:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #23A121 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.19:1 · AA
White text#FFFFFF3.39:1 · Fail

Accessible Alternatives

#47D945#000000 text · best 11.28:1#47D945
Lime Green#000000 text · best 9.91:1#32CD32
#125511#FFFFFF text · best 9:1#125511
Kelly Green#000000 text · best 8.43:1#4CBB17
#0EB60C#000000 text · best 7.72:1#0EB60C

Generated Palette

#23A121#23A121
#9F21A1#9F21A1
#63A121#63A121
#21A15F#21A15F
#47D945#47D945
#125511#125511

Color Harmonies

#9F21A1#9F21A1
#63A121#63A121
#21A15F#21A15F
#2123A1#2123A1
#A12123#A12123

Variants

#47D945#47D945
#125511#125511
#0EB60C#0EB60C
#388C36#388C36
#72D171#72D171
#04EB00#04EB00

Nearest Named Colors