#81901B#81901B

#81901B is a light, vivid yellow. Relative luminance 0.247; OKLCH L 62.0% C 0.134 H 117.1°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#81901B
RGB	rgb(129, 144, 27)
HSL	hsl(68, 68%, 34%)
HSV	hsv(68, 81%, 56%)
CMYK	cmyk(10.4%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(56.78, -20.18, 54.87)
CIE-LCH	lch(56.78, 58.46, 110.20°)
OKLab	oklab(62.05% -0.0613 0.1196)
OKLCH	oklch(62.05% 0.134 117.1)
XYZ	xyz(19.2249, 24.6930, 4.7902)
Luminance	0.2469 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81901B #2A1B90

analogous

#90641B #81901B #46901B

triadic

#81901B #1B8190 #901B81

tetradic

#81901B #1B9064 #2A1B90 #901B46

square

#81901B #1B9064 #2A1B90 #901B46

split-complementary

#81901B #1B4690 #641B90

monochromatic

#252908 #535C11 #81901B #AFC425 #CADD49

Accessibility & contrast

On white

3.54

#81901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#81901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #81901B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81901B	#FFFFFF	#000000	##000000
##81901B	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8800

Deuteranopia (green-blind)

#998927

Tritanopia (blue-blind)

#8A877B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #81901b;
/* rgb */ color: rgb(129, 144, 27);
/* oklch */ color: oklch(62.0% 0.134 117.1);

Tailwind

colors: {
  custom: {
    50: '#a9b063',
    500: '#81901b',
    950: '#000000',
  },
}

SCSS

$custom: #81901b;
$custom-light: #a9b063;
$custom-dark: #000000;

JSON

{
  "hex": "#81901b",
  "rgb": {
    "r": 129,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 67.692,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.62048,
    "c": 0.13435,
    "h": 117.1
  },
  "luminance": 0.24693
}

Semantic roles & 50–950 ramp

primary

#81901B

secondary

#5748BF

accent

#3DEB53

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #81901B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →