Colors Encyclopedia

HEX atlas value

#399603

#399603 is a cool green HEX color close to Scheele Green. According to Colors Encyclopedia, it converts to RGB 57, 150, 3, HSL 98, 96%, 30%, has luminance 0.2269, and belongs to the jewel tone group.

greencooljewel-tone
#399603 Sample readable text
HEX #399603
RGB rgb(57, 150, 3)
HSL hsl(98 96% 30%)
CMYK cmyk(62, 0, 98, 41)
Luminance 0.2269
Contrast Black 5.54:1White 3.79:1

CSS

--color-399603: #399603;
.background-399603 { background-color: #399603; }
.text-399603 { color: #399603; }

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
Luminance0.2269
Black text5.54:1AA Pass
White text3.79:1AA 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":"#399603","rgb":[57,150,3],"hsl":[98,96,30],"cmyk":[62,0,98,41],"luminance":0.2269,"contrast":{"black":5.54,"white":3.79}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.54,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.79,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#5BF005","hex":"#5BF005","family":"green","bestTextColor":"#000000","contrastBlack":13.91,"contrastWhite":1.51,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#173C01","hex":"#173C01","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.68,"contrastWhite":12.47,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#600396","hex":"#600396","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.95,"contrastWhite":10.77,"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":"Terre Verte","hex":"#385E0F","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.78,"contrastWhite":7.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]
AI context
{"semanticGroups":["cool green","jewel tone","jewel tone green","Scheele 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/399603.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/scheeles-green.json","https://www.colorsencyclopedia.com/api/colors/avocado.json","https://www.colorsencyclopedia.com/api/colors/forest-green.json"]}
Harmonies
{"complementary":"#600396","analogous":["#829603","#039617"],"triadic":["#033996","#960339"],"tetradic":["#038296","#600396","#961703"],"splitComplementary":["#170396","#960382"],"monochromatic":["#5BF005","#399603","#173C01"]}
Variants
{"light":"#5BF005","dark":"#173C01","saturated":"#389900","desaturated":"#3D8514","pastel":"#73E92F","neon":"#47C200"}
Nearest named colors
[{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":20.024984394500787},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":35.22782990761707},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":40.13726448077895},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":46.151923036857305},{"slug":"terre-verte","name":"Terre Verte","hex":"#385E0F","distance":57.28001396647874}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #399603

#399603 is classified as a cool green value with jewel tone visual character. #399603 is visually closest to Scheele Green, a named green color with HEX #478800.

The RGB channels are 57, 150, and 3, with green carrying the strongest channel weight. In HSL, the hue is 98deg with 96% saturation and 30% lightness, so this page treats it as a high-saturation, dark 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 0.2269, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.02, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.54:1AA Pass
White text3.79:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #399603 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.54:1 · AA
White text#FFFFFF3.79:1 · Fail

Accessible Alternatives

#5BF005#000000 text · best 13.91:1#5BF005
#173C01#FFFFFF text · best 12.47:1#173C01
#600396#FFFFFF text · best 10.77:1#600396
Kelly Green#000000 text · best 8.43:1#4CBB17
Terre Verte#FFFFFF text · best 7.56:1#385E0F

Generated Palette

#399603#399603
#600396#600396
#829603#829603
#039617#039617
#5BF005#5BF005
#173C01#173C01

Color Harmonies

#600396#600396
#829603#829603
#039617#039617
#033996#033996
#960339#960339

Variants

#5BF005#5BF005
#173C01#173C01
#389900#389900
#3D8514#3D8514
#73E92F#73E92F
#47C200#47C200

Nearest Named Colors

Scheele Green#478800
Avocado#568203
Forest Green#228B22
Kelly Green#4CBB17
Terre Verte#385E0F

Related HEX Guides

Scheele Green colorOpen the nearest named color reference for #478800.Avocado colorOpen the nearest named color reference for #568203.Forest Green colorOpen the nearest named color reference for #228B22.Green color familyBrowse named green colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Jewel Tone colorsFind colors in the jewel tone group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#399603 APIOpen the machine-readable JSON record for this HEX value.