HEX atlas value

#15AC40

#15AC40 is a cool green HEX color close to Shamrock. According to Colors Encyclopedia, it converts to RGB 21, 172, 64, HSL 137, 78%, 38%, has luminance 0.3003, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#15AC40 Sample readable text

HEX #15AC40

RGB rgb(21, 172, 64)

HSL hsl(137 78% 38%)

CMYK cmyk(88, 0, 63, 33)

Luminance 0.3003

Contrast Black 7.01:1White 3:1

CSS

--color-15ac40: #15AC40;
.background-15ac40 { background-color: #15AC40; }
.text-15ac40 { color: #15AC40; }

Luminance0.3003

Black text7.01:1AA Pass

White text3:1AA 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":"#15AC40","rgb":[21,172,64],"hsl":[137,78,38],"cmyk":[88,0,63,33],"luminance":0.3003,"contrast":{"black":7.01,"white":3}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":7.01,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":3,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#37E669","hex":"#37E669","family":"green","bestTextColor":"#000000","contrastBlack":12.69,"contrastWhite":1.66,"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":"#00C237","hex":"#00C237","family":"green","bestTextColor":"#000000","contrastBlack":8.77,"contrastWhite":2.39,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#0B5B22","hex":"#0B5B22","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.53,"contrastWhite":8.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#15AC8C","hex":"#15AC8C","family":"cyan","bestTextColor":"#000000","contrastBlack":7.31,"contrastWhite":2.87,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Shamrock adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/15ac40.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/shamrock.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/forest-green.json"]}

Harmonies

{"complementary":"#AC1582","analogous":["#36AC15","#15AC8C"],"triadic":["#4015AC","#AC4015"],"tetradic":["#1536AC","#AC1582","#AC8C15"],"splitComplementary":["#8C15AC","#AC1536"],"monochromatic":["#37E669","#15AC40","#0B5B22"]}

Variants

{"light":"#37E669","dark":"#0B5B22","saturated":"#00C237","desaturated":"#2B9749","pastel":"#65DC87","neon":"#00EB42"}

Nearest named colors

[{"slug":"shamrock","name":"Shamrock","hex":"#009E60","distance":40.755367744629666},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":46.10856753359401},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":46.45427859734774},{"slug":"sea-green","name":"Sea Green","hex":"#2E8B57","distance":47.36032094485847},{"slug":"traffic-green","name":"Traffic Green","hex":"#008450","distance":47.92702786528704}]

HEX meaning and use

About #15AC40

#15AC40 is classified as a cool green value with vibrant and jewel tone visual character. #15AC40 is visually closest to Shamrock, a named green color with HEX #009E60.

The RGB channels are 21, 172, and 64, with green carrying the strongest channel weight. In HSL, the hue is 137deg with 78% saturation and 38% 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 0.3003, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 40.76, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.01:1AA Pass

White text3:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #15AC40 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.01:1 · AAA

White text#FFFFFF3:1 · Fail

Accessible Alternatives

#37E669#000000 text · best 12.69:1#37E669

Lime Green#000000 text · best 9.91:1#32CD32

#00C237#000000 text · best 8.77:1#00C237

#0B5B22#FFFFFF text · best 8.29:1#0B5B22

#15AC8C#000000 text · best 7.31:1#15AC8C

Generated Palette

#15AC40#15AC40

#AC1582#AC1582

#36AC15#36AC15

#15AC8C#15AC8C

#37E669#37E669

#0B5B22#0B5B22

Color Harmonies

#AC1582#AC1582

#36AC15#36AC15

#15AC8C#15AC8C

#4015AC#4015AC

#AC4015#AC4015

Variants

#37E669#37E669

#0B5B22#0B5B22

#00C237#00C237

#2B9749#2B9749

#65DC87#65DC87

#00EB42#00EB42

Nearest Named Colors

Shamrock#009E60

Lime Green#32CD32

Forest Green#228B22

Sea Green#2E8B57

Traffic Green#008450

#15AC40

CSS

Machine-Readable HEX Data (JSON)

About #15AC40

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides