#281F00#281F00

#281F00 is a very dark, muted yellow. Relative luminance 0.014; OKLCH L 24.3% C 0.050 H 93.2°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#281F00
RGB	rgb(40, 31, 0)
HSL	hsl(47, 100%, 8%)
HSV	hsv(47, 100%, 16%)
CMYK	cmyk(0%, 22.5%, 100%, 84.3%)
CIE-LAB	lab(12.16, 0.14, 18.05)
CIE-LCH	lch(12.16, 18.05, 89.55°)
OKLab	oklab(24.29% -0.0028 0.0497)
OKLCH	oklch(24.29% 0.05 93.2)
XYZ	xyz(1.3651, 1.4312, 0.2043)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281F00 #000928

analogous

#280B00 #281F00 #1D2800

triadic

#281F00 #00281F #1F0028

tetradic

#281F00 #00280B #000928 #28001D

square

#281F00 #00280B #000928 #28001D

split-complementary

#281F00 #001D28 #0B0028

monochromatic

#1F1800 #1F1800 #281F00 #654E00 #A27E00

Accessibility & contrast

On white

16.33

#281F00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#281F00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281F00

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281F00	#FFFFFF	#000000	##FFFFFF
##281F00	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241E00

Deuteranopia (green-blind)

#262101

Tritanopia (blue-blind)

#2C1B19

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #281f00;
/* rgb */ color: rgb(40, 31, 0);
/* oklch */ color: oklch(24.3% 0.050 93.2);

Tailwind

colors: {
  custom: {
    50: '#635a46',
    500: '#281f00',
    950: '#000000',
  },
}

SCSS

$custom: #281f00;
$custom-light: #635a46;
$custom-dark: #000000;

JSON

{
  "hex": "#281f00",
  "rgb": {
    "r": 40,
    "g": 31,
    "b": 0
  },
  "hsl": {
    "h": 46.5,
    "s": 100,
    "l": 7.843
  },
  "oklch": {
    "l": 0.24287,
    "c": 0.04974,
    "h": 93.2
  },
  "luminance": 0.01431
}

Semantic roles & 50–950 ramp

primary

#281F00

secondary

#142970

accent

#59FF29

background

#F6F5F3

surface

#EBE9E5

border

#C6C5C1

text

#050300

muted

#7A7877

Preview Lab

Preview with #281F00

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

Preview Lab → · Contrast checker → · Palette generator →