HEX atlas value

#10B243

#10B243 is a cool green HEX color close to Shamrock. According to Colors Encyclopedia, it converts to RGB 16, 178, 67, HSL 139, 84%, 38%, has luminance 0.3236, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#10B243 Sample readable text

HEX #10B243

RGB rgb(16, 178, 67)

HSL hsl(139 84% 38%)

CMYK cmyk(91, 0, 62, 30)

Luminance 0.3236

Contrast Black 7.47:1White 2.81:1

CSS

--color-10b243: #10B243;
.background-10b243 { background-color: #10B243; }
.text-10b243 { color: #10B243; }

Luminance0.3236

Black text7.47:1AA Pass

White text2.81:1AA 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":"#10B243","rgb":[16,178,67],"hsl":[139,84,38],"cmyk":[91,0,62,30],"luminance":0.3236,"contrast":{"black":7.47,"white":2.81}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":7.47,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.81,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#31ED6C","hex":"#31ED6C","family":"green","bestTextColor":"#000000","contrastBlack":13.46,"contrastWhite":1.56,"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":"#00C23D","hex":"#00C23D","family":"green","bestTextColor":"#000000","contrastBlack":8.78,"contrastWhite":2.39,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#085E23","hex":"#085E23","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.64,"contrastWhite":7.97,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#10B294","hex":"#10B294","family":"cyan","bestTextColor":"#000000","contrastBlack":7.82,"contrastWhite":2.69,"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/10b243.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/shamrock.json","https://www.colorsencyclopedia.com/api/colors/jade.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json"]}

Harmonies

{"complementary":"#B2107F","analogous":["#2DB210","#10B294"],"triadic":["#4310B2","#B24310"],"tetradic":["#102DB2","#B2107F","#B29410"],"splitComplementary":["#9410B2","#B2102D"],"monochromatic":["#31ED6C","#10B243","#085E23"]}

Variants

{"light":"#31ED6C","dark":"#085E23","saturated":"#00C23D","desaturated":"#259D4B","pastel":"#60E289","neon":"#00EB4A"}

Nearest named colors

[{"slug":"shamrock","name":"Shamrock","hex":"#009E60","distance":38.691084244306204},{"slug":"jade","name":"Jade","hex":"#00A86B","distance":44.22668877499196},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":46.62617290749907},{"slug":"traffic-green","name":"Traffic Green","hex":"#008450","distance":50.40833264451424},{"slug":"sea-green","name":"Sea Green","hex":"#2E8B57","distance":53.113086899558006}]

HEX meaning and use

About #10B243

#10B243 is classified as a cool green value with vibrant and jewel tone visual character. #10B243 is visually closest to Shamrock, a named green color with HEX #009E60.

The RGB channels are 16, 178, and 67, with green carrying the strongest channel weight. In HSL, the hue is 139deg with 84% 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 0.3236, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 38.69, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.47:1AA Pass

White text2.81:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #10B243 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.47:1 · AAA

White text#FFFFFF2.81:1 · Fail

Accessible Alternatives

#31ED6C#000000 text · best 13.46:1#31ED6C

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

#00C23D#000000 text · best 8.78:1#00C23D

#085E23#FFFFFF text · best 7.97:1#085E23

#10B294#000000 text · best 7.82:1#10B294

Generated Palette

#10B243#10B243

#B2107F#B2107F

#2DB210#2DB210

#10B294#10B294

#31ED6C#31ED6C

#085E23#085E23

Color Harmonies

#B2107F#B2107F

#2DB210#2DB210

#10B294#10B294

#4310B2#4310B2

#B24310#B24310

Variants

#31ED6C#31ED6C

#085E23#085E23

#00C23D#00C23D

#259D4B#259D4B

#60E289#60E289

#00EB4A#00EB4A

Nearest Named Colors

Shamrock#009E60

Jade#00A86B

Lime Green#32CD32

Traffic Green#008450

Sea Green#2E8B57

#10B243

CSS

Machine-Readable HEX Data (JSON)

About #10B243

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides