HEX atlas value

#18AC15

#18AC15 is a cool green HEX color close to Forest Green. According to Colors Encyclopedia, it converts to RGB 24, 172, 21, HSL 119, 78%, 38%, has luminance 0.2975, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#18AC15 Sample readable text

HEX #18AC15

RGB rgb(24, 172, 21)

HSL hsl(119 78% 38%)

CMYK cmyk(86, 0, 88, 33)

Luminance 0.2975

Contrast Black 6.95:1White 3.02:1

CSS

--color-18ac15: #18AC15;
.background-18ac15 { background-color: #18AC15; }
.text-18ac15 { color: #18AC15; }

Luminance0.2975

Black text6.95:1AA Pass

White text3.02:1AA 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":"#18AC15","rgb":[24,172,21],"hsl":[119,78,38],"cmyk":[86,0,88,33],"luminance":0.2975,"contrast":{"black":6.95,"white":3.02}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.95,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.02,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#3AE637","hex":"#3AE637","family":"green","bestTextColor":"#000000","contrastBlack":12.55,"contrastWhite":1.67,"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":"#03C200","hex":"#03C200","family":"green","bestTextColor":"#000000","contrastBlack":8.72,"contrastWhite":2.41,"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":"#0D5B0B","hex":"#0D5B0B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.52,"contrastWhite":8.34,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Forest Green 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/18ac15.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":"#AA15AC","analogous":["#63AC15","#15AC5E"],"triadic":["#1518AC","#AC1518"],"tetradic":["#1563AC","#AA15AC","#AC5E15"],"splitComplementary":["#5E15AC","#AC1563"],"monochromatic":["#3AE637","#18AC15","#0D5B0B"]}

Variants

{"light":"#3AE637","dark":"#0D5B0B","saturated":"#03C200","desaturated":"#2C972B","pastel":"#67DC65","neon":"#04EB00"}

Nearest named colors

[{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":36.851051545376556},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":51.048996072400875},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":54.15717865620402},{"slug":"green","name":"Green","hex":"#008000","distance":54.3415126767741},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":62.81719509815764}]

HEX meaning and use

About #18AC15

#18AC15 is classified as a cool green value with vibrant and jewel tone visual character. #18AC15 is visually closest to Forest Green, a named green color with HEX #228B22.

The RGB channels are 24, 172, and 21, with green carrying the strongest channel weight. In HSL, the hue is 119deg 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 0.2975, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 36.85, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.95:1AA Pass

White text3.02:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #18AC15 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.95:1 · AA

White text#FFFFFF3.02:1 · Fail

Accessible Alternatives

#3AE637#000000 text · best 12.55:1#3AE637

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

#03C200#000000 text · best 8.72:1#03C200

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

#0D5B0B#FFFFFF text · best 8.34:1#0D5B0B

Generated Palette

#18AC15#18AC15

#AA15AC#AA15AC

#63AC15#63AC15

#15AC5E#15AC5E

#3AE637#3AE637

#0D5B0B#0D5B0B

Color Harmonies

#AA15AC#AA15AC

#63AC15#63AC15

#15AC5E#15AC5E

#1518AC#1518AC

#AC1518#AC1518

Variants

#3AE637#3AE637

#0D5B0B#0D5B0B

#03C200#03C200

#2C972B#2C972B

#67DC65#67DC65

#04EB00#04EB00

Nearest Named Colors

Forest Green#228B22

Lime Green#32CD32

Kelly Green#4CBB17

Green#008000

Scheele Green#478800

#18AC15

CSS

Machine-Readable HEX Data (JSON)

About #18AC15

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides