HEX atlas value

#181905

#181905 is a warm yellow HEX color close to Carbon Black. According to Colors Encyclopedia, it converts to RGB 24, 25, 5, HSL 63, 67%, 6%, has luminance 0.009, and belongs to the dark group.

yellow warm dark

#181905 Sample readable text

HEX #181905

RGB rgb(24, 25, 5)

HSL hsl(63 67% 6%)

CMYK cmyk(4, 0, 80, 90)

Luminance 0.009

Contrast Black 1.18:1White 17.8:1

CSS

--color-181905: #181905;
.background-181905 { background-color: #181905; }
.text-181905 { color: #181905; }

Luminance0.009

Black text1.18:1AA Fail

White text17.8:1AA 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

Structured sections

Color systems

{"hex":"#181905","rgb":[24,25,5],"hsl":[63,67,6],"cmyk":[4,0,80,90],"luminance":0.009,"contrast":{"black":1.18,"white":17.8}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":1.18,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":17.8,"wcagAA":true,"wcagAAA":true}]

Accessible alternatives

[{"name":"Black","hex":"#000000","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1,"contrastWhite":21,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#06051A","hex":"#06051A","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.04,"contrastWhite":20.11,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Carbon Black","hex":"#0C0C0C","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":1.07,"contrastWhite":19.55,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#1A1005","hex":"#1A1005","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.12,"contrastWhite":18.75,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#151608","hex":"#151608","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":1.15,"contrastWhite":18.26,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]

AI context

{"semanticGroups":["warm yellow","dark","dark yellow","Carbon Black adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","dark theme accents","highlight and warning systems"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/181905.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/carbon-black.json","https://www.colorsencyclopedia.com/api/colors/matte-black.json","https://www.colorsencyclopedia.com/api/colors/carbon-fiber.json"]}

Harmonies

{"complementary":"#06051A","analogous":["#1A1005","#0E1A05"],"triadic":["#05191A","#1A0519"],"tetradic":["#051A10","#06051A","#1A050E"],"splitComplementary":["#050E1A","#10051A"],"monochromatic":["#626614","#181905","#000000"]}

Variants

{"light":"#626614","dark":"#000000","saturated":"#1C1D02","desaturated":"#151608","pastel":"#747826","neon":"#444700"}

Nearest named colors

[{"slug":"carbon-black","name":"Carbon Black","hex":"#0C0C0C","distance":19.026297590440446},{"slug":"matte-black","name":"Matte Black","hex":"#1A1A1A","distance":21.118712081942874},{"slug":"carbon-fiber","name":"Carbon Fiber","hex":"#1C1C1C","distance":23.53720459187964},{"slug":"raisin","name":"Raisin","hex":"#242124","distance":34.19064199455752},{"slug":"black","name":"Black","hex":"#000000","distance":35.014282800023196}]

HEX meaning and use

About #181905

#181905 is classified as a warm yellow value with dark visual character. #181905 is visually closest to Carbon Black, a named gray color with HEX #0C0C0C.

The RGB channels are 24, 25, and 5, with green carrying the strongest channel weight. In HSL, the hue is 63deg with 67% saturation and 6% lightness, so this page treats it as a moderate-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 dark theme accents. Its luminance is 0.009, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.03, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text1.18:1AA Fail

White text17.8:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: #FFFFFF, #F5F5F5.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #181905 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000001.18:1 · Fail

White text#FFFFFF17.8:1 · AAA

Accessible Alternatives

Black#FFFFFF text · best 21:1#000000

#06051A#FFFFFF text · best 20.11:1#06051A

Carbon Black#FFFFFF text · best 19.55:1#0C0C0C

#1A1005#FFFFFF text · best 18.75:1#1A1005

#151608#FFFFFF text · best 18.26:1#151608

Generated Palette

#181905#181905

#06051A#06051A

#1A1005#1A1005

#0E1A05#0E1A05

#626614#626614

Black#000000

Color Harmonies

#06051A#06051A

#1A1005#1A1005

#0E1A05#0E1A05

#05191A#05191A

#1A0519#1A0519

Variants

#626614#626614

Black#000000

#1C1D02#1C1D02

#151608#151608

#747826#747826

#444700#444700

Nearest Named Colors

Carbon Black#0C0C0C

Matte Black#1A1A1A

Carbon Fiber#1C1C1C

Raisin#242124

Black#000000

#181905

CSS

Machine-Readable HEX Data (JSON)

About #181905

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides