Colors Encyclopedia

HEX atlas value

#647213

#647213 is a warm yellow HEX color close to Fern Frond. According to Colors Encyclopedia, it converts to RGB 100, 114, 19, HSL 69, 71%, 26%, has luminance 0.1479, and belongs to the balanced group.

yellowwarmbalanced
#647213 Sample readable text
HEX #647213
RGB rgb(100, 114, 19)
HSL hsl(69 71% 26%)
CMYK cmyk(12, 0, 83, 55)
Luminance 0.1479
Contrast Black 3.96:1White 5.31:1

CSS

--color-647213: #647213;
.background-647213 { background-color: #647213; }
.text-647213 { color: #647213; }

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
Luminance0.1479
Black text3.96:1AA Fail
White text5.31:1AA 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":"#647213","rgb":[100,114,19],"hsl":[69,71,26],"cmyk":[12,0,83,55],"luminance":0.1479,"contrast":{"black":3.96,"white":5.31}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.96,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.31,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#1F2306","hex":"#1F2306","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.3,"contrastWhite":16.13,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#211371","hex":"#211371","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.4,"contrastWhite":15.04,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#A8C021","hex":"#A8C021","family":"yellow","bestTextColor":"#000000","contrastBlack":10.23,"contrastWhite":2.05,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#715013","hex":"#715013","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.86,"contrastWhite":7.34,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#596322","hex":"#596322","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":3.23,"contrastWhite":6.5,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm yellow","balanced","balanced yellow","Fern Frond adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/647213.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fern-frond.json","https://www.colorsencyclopedia.com/api/colors/avocado.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json"]}
Harmonies
{"complementary":"#211371","analogous":["#715013","#347113"],"triadic":["#136371","#711363"],"tetradic":["#137150","#211371","#711334"],"splitComplementary":["#133471","#501371"],"monochromatic":["#A8C021","#647213","#1F2306"]}
Variants
{"light":"#A8C021","dark":"#1F2306","saturated":"#6D8005","desaturated":"#596322","pastel":"#B3C83C","neon":"#93AD00"}
Nearest named colors
[{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":13.038404810405298},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":26.60826939130014},{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":32.526911934581186},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":33},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":33}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #647213

#647213 is classified as a warm yellow value with balanced visual character. #647213 is visually closest to Fern Frond, a named green color with HEX #657220.

The RGB channels are 100, 114, and 19, with green carrying the strongest channel weight. In HSL, the hue is 69deg with 71% saturation and 26% 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 highlight and warning systems. Its luminance is 0.1479, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.04, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.96:1AA Fail
White text5.31:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #647213 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.96:1 · Fail
White text#FFFFFF5.31:1 · AA

Accessible Alternatives

#1F2306#FFFFFF text · best 16.13:1#1F2306
#211371#FFFFFF text · best 15.04:1#211371
#A8C021#000000 text · best 10.23:1#A8C021
#715013#FFFFFF text · best 7.34:1#715013
#596322#FFFFFF text · best 6.5:1#596322

Generated Palette

#647213#647213
#211371#211371
#715013#715013
#347113#347113
#A8C021#A8C021
#1F2306#1F2306

Color Harmonies

#211371#211371
#715013#715013
#347113#347113
#136371#136371
#711363#711363

Variants

#A8C021#A8C021
#1F2306#1F2306
#6D8005#6D8005
#596322#596322
#B3C83C#B3C83C
#93AD00#93AD00

Nearest Named Colors

Fern Frond#657220
Avocado#568203
Dark Olive Green#556B2F
Olive Drab#6B8E23
Olive Leaf#6B8E23

Related HEX Guides

Fern Frond colorOpen the nearest named color reference for #657220.Avocado colorOpen the nearest named color reference for #568203.Dark Olive Green colorOpen the nearest named color reference for #556B2F.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced 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.#647213 APIOpen the machine-readable JSON record for this HEX value.