HEX atlas value

#3ECB0B

#3ECB0B is a cool green HEX color close to Kelly Green. According to Colors Encyclopedia, it converts to RGB 62, 203, 11, HSL 104, 90%, 42%, has luminance 0.4376, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#3ECB0B Sample readable text

HEX #3ECB0B

RGB rgb(62, 203, 11)

HSL hsl(104 90% 42%)

CMYK cmyk(69, 0, 95, 20)

Luminance 0.4376

Contrast Black 9.75:1White 2.15:1

CSS

--color-3ecb0b: #3ECB0B;
.background-3ecb0b { background-color: #3ECB0B; }
.text-3ecb0b { color: #3ECB0B; }

Luminance0.4376

Black text9.75:1AA Pass

White text2.15:1AA 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":"#3ECB0B","rgb":[62,203,11],"hsl":[104,90,42],"cmyk":[69,0,95,20],"luminance":0.4376,"contrast":{"black":9.75,"white":2.15}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":9.75,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.15,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Neon Green","hex":"#39FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#6EF53D","hex":"#6EF53D","family":"green","bestTextColor":"#000000","contrastBlack":14.79,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Toxic Green","hex":"#61DE2A","family":"green","bestTextColor":"#000000","contrastBlack":11.99,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#9FCB0B","hex":"#9FCB0B","family":"green","bestTextColor":"#000000","contrastBlack":11.02,"contrastWhite":1.91,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#39D600","hex":"#39D600","family":"green","bestTextColor":"#000000","contrastBlack":10.79,"contrastWhite":1.95,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Kelly Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/3ecb0b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json"]}

Harmonies

{"complementary":"#980BCB","analogous":["#9FCB0B","#0BCB38"],"triadic":["#0B3ECB","#CB0B3E"],"tetradic":["#0B9FCB","#980BCB","#CB380B"],"splitComplementary":["#380BCB","#CB0B9F"],"monochromatic":["#6EF53D","#3ECB0B","#237406"]}

Variants

{"light":"#6EF53D","dark":"#237406","saturated":"#39D600","desaturated":"#49B422","pastel":"#8DEA6C","neon":"#44FF00"}

Nearest named colors

[{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":24.413111231467404},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":40.85339643163099},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":50.46781152378217},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":53.009433122794285},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":68.49087530467106}]

HEX meaning and use

About #3ECB0B

#3ECB0B is classified as a cool green value with vibrant and jewel tone visual character. #3ECB0B is visually closest to Kelly Green, a named green color with HEX #4CBB17.

The RGB channels are 62, 203, and 11, with green carrying the strongest channel weight. In HSL, the hue is 104deg with 90% saturation and 42% 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 0.4376, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 24.41, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.75:1AA Pass

White text2.15:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3ECB0B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.75:1 · AAA

White text#FFFFFF2.15:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14

#6EF53D#000000 text · best 14.79:1#6EF53D

Toxic Green#000000 text · best 11.99:1#61DE2A

#9FCB0B#000000 text · best 11.02:1#9FCB0B

#39D600#000000 text · best 10.79:1#39D600

Generated Palette

#3ECB0B#3ECB0B

#980BCB#980BCB

#9FCB0B#9FCB0B

#0BCB38#0BCB38

#6EF53D#6EF53D

#237406#237406

Color Harmonies

#980BCB#980BCB

#9FCB0B#9FCB0B

#0BCB38#0BCB38

#0B3ECB#0B3ECB

#CB0B3E#CB0B3E

Variants

#6EF53D#6EF53D

#237406#237406

#39D600#39D600

#49B422#49B422

#8DEA6C#8DEA6C

#44FF00#44FF00

Nearest Named Colors

Kelly Green#4CBB17

Lime Green#32CD32

Toxic Green#61DE2A

Neon Green#39FF14

Scheele Green#478800

#3ECB0B

CSS

Machine-Readable HEX Data (JSON)

About #3ECB0B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides