#28510D#28510D

#28510D is a dark, moderate yellow-green. Relative luminance 0.064; OKLCH L 39.0% C 0.106 H 136.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#28510D
RGB	rgb(40, 81, 13)
HSL	hsl(96, 72%, 18%)
HSV	hsv(96, 84%, 32%)
CMYK	cmyk(50.6%, 0%, 84%, 68.2%)
CIE-LAB	lab(30.31, -27.32, 32.95)
CIE-LCH	lch(30.31, 42.81, 129.67°)
OKLab	oklab(39.02% -0.0761 0.0734)
OKLCH	oklch(39.02% 0.106 136)
XYZ	xyz(3.8900, 6.3648, 1.4042)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28510D #360D51

analogous

#4A510D #28510D #0D5114

triadic

#28510D #0D2851 #510D28

tetradic

#28510D #0D4A51 #360D51 #51140D

square

#28510D #0D4A51 #360D51 #51140D

split-complementary

#28510D #140D51 #510D4A

monochromatic

#0D1A04 #0E1C05 #28510D #428615 #5CBA1E

Accessibility & contrast

On white

9.24

#28510D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#28510D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28510D

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28510D	#FFFFFF	#000000	##FFFFFF
##28510D	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544901

Deuteranopia (green-blind)

#4F4614

Tritanopia (blue-blind)

#264E44

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #28510d;
/* rgb */ color: rgb(40, 81, 13);
/* oklch */ color: oklch(39.0% 0.106 136.0);

Tailwind

colors: {
  custom: {
    50: '#678252',
    500: '#28510d',
    950: '#000000',
  },
}

SCSS

$custom: #28510d;
$custom-light: #678252;
$custom-dark: #000000;

JSON

{
  "hex": "#28510d",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 13
  },
  "hsl": {
    "h": 96.176,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.39017,
    "c": 0.10577,
    "h": 136
  },
  "luminance": 0.06365
}

Semantic roles & 50–950 ramp

primary

#28510D

secondary

#672E8C

accent

#39EFA7

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #28510D

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

Preview Lab → · Contrast checker → · Palette generator →