HEX atlas value

#426C4F

#426C4F is a cool green HEX color close to Fern Green. According to Colors Encyclopedia, it converts to RGB 66, 108, 79, HSL 139, 24%, 34%, has luminance 0.1245, and belongs to the muted and earth tone groups.

#426C4F Sample readable text
HEX #426C4F
RGB rgb(66, 108, 79)
HSL hsl(139 24% 34%)
CMYK cmyk(39, 0, 27, 58)
Luminance 0.1245
Contrast Black 3.49:1White 6.02:1

CSS

--color-426c4f: #426C4F;
.background-426c4f { background-color: #426C4F; }
.text-426c4f { color: #426C4F; }

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
Luminance0.1245
Black text3.49:1AA Fail
White text6.02:1AA Pass
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":"#426C4F","rgb":[66,108,79],"hsl":[139,24,34],"cmyk":[39,0,27,58],"luminance":0.1245,"contrast":{"black":3.49,"white":6.02}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.49,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.02,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#1F3325","hex":"#1F3325","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.56,"contrastWhite":13.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#6C425E","hex":"#6C425E","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.58,"contrastWhite":8.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Hunter Green","hex":"#355E3B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.82,"contrastWhite":7.46,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#555856","hex":"#555856","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":2.92,"contrastWhite":7.2,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#67A27A","hex":"#67A27A","family":"green","bestTextColor":"#000000","contrastBlack":7.03,"contrastWhite":2.99,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["cool green","muted","earth tone","muted green","earth tone green","Fern Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/426c4f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fern-green.json","https://www.colorsencyclopedia.com/api/colors/cactus-green.json","https://www.colorsencyclopedia.com/api/colors/hunter-green.json"]}
Harmonies
{"complementary":"#6C425E","analogous":["#4A6C42","#426C64"],"triadic":["#4F426C","#6C4F42"],"tetradic":["#424A6C","#6C425E","#6C6442"],"splitComplementary":["#64426C","#6C424A"],"monochromatic":["#67A27A","#426C4F","#1F3325"]}
Variants
{"light":"#67A27A","dark":"#1F3325","saturated":"#2F7F48","desaturated":"#555856","pastel":"#8DA093","neon":"#00D644"}
Nearest named colors
[{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":22.516660498395403},{"slug":"cactus-green","name":"Cactus Green","hex":"#587156","distance":23.62202362203543},{"slug":"hunter-green","name":"Hunter Green","hex":"#355E3B","distance":27.65863337187866},{"slug":"storm-blue","name":"Storm Blue","hex":"#4F666A","distance":30.56141357987225},{"slug":"hookers-green","name":"Hookers Green","hex":"#49796B","distance":31.654383582688826}]

HEX meaning and use

About #426C4F

#426C4F is classified as a cool green value with muted and earth tone visual character. #426C4F is visually closest to Fern Green, a named green color with HEX #4F7942.

The RGB channels are 66, 108, and 79, with green carrying the strongest channel weight. In HSL, the hue is 139deg with 24% saturation and 34% lightness, so this page treats it as a low-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 muted interface themes. Its luminance is 0.1245, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.52, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.49:1AA Fail
White text6.02:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #426C4F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.49:1 · Fail
White text#FFFFFF6.02:1 · AA

Accessible Alternatives

#1F3325#FFFFFF text · best 13.48:1#1F3325
#6C425E#FFFFFF text · best 8.15:1#6C425E
Hunter Green#FFFFFF text · best 7.46:1#355E3B
#555856#FFFFFF text · best 7.2:1#555856
#67A27A#000000 text · best 7.03:1#67A27A

Generated Palette

#426C4F#426C4F
#6C425E#6C425E
#4A6C42#4A6C42
#426C64#426C64
#67A27A#67A27A
#1F3325#1F3325

Color Harmonies

#6C425E#6C425E
#4A6C42#4A6C42
#426C64#426C64
#4F426C#4F426C
#6C4F42#6C4F42

Variants

#67A27A#67A27A
#1F3325#1F3325
#2F7F48#2F7F48
#555856#555856
#8DA093#8DA093
#00D644#00D644

Nearest Named Colors