#28510C#28510C

#28510C is a dark, moderate yellow-green. Relative luminance 0.064; OKLCH L 39.0% C 0.106 H 135.9°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#28510C
RGB	rgb(40, 81, 12)
HSL	hsl(96, 74%, 18%)
HSV	hsv(96, 85%, 32%)
CMYK	cmyk(50.6%, 0%, 85.2%, 68.2%)
CIE-LAB	lab(30.31, -27.39, 33.31)
CIE-LCH	lch(30.31, 43.13, 129.43°)
OKLab	oklab(39.01% -0.0764 0.074)
OKLCH	oklch(39.01% 0.106 135.9)
XYZ	xyz(3.8838, 6.3623, 1.3711)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28510C #350C51

analogous

#4A510C #28510C #0C5112

triadic

#28510C #0C2851 #510C28

tetradic

#28510C #0C4A51 #350C51 #51120C

square

#28510C #0C4A51 #350C51 #51120C

split-complementary

#28510C #120C51 #510C4A

monochromatic

#0D1B04 #0E1C04 #28510C #428614 #5DBC1C

Accessibility & contrast

On white

9.24

#28510C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#28510C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28510C

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28510C	#FFFFFF	#000000	##FFFFFF
##28510C	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)

#544900

Deuteranopia (green-blind)

#4F4614

Tritanopia (blue-blind)

#264E44

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #28510c;
/* rgb */ color: rgb(40, 81, 12);
/* oklch */ color: oklch(39.0% 0.106 135.9);

Tailwind

colors: {
  custom: {
    50: '#678251',
    500: '#28510c',
    950: '#000000',
  },
}

SCSS

$custom: #28510c;
$custom-light: #678251;
$custom-dark: #000000;

JSON

{
  "hex": "#28510c",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 12
  },
  "hsl": {
    "h": 95.652,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.3901,
    "c": 0.10636,
    "h": 135.9
  },
  "luminance": 0.06363
}

Semantic roles & 50–950 ramp

primary

#28510C

secondary

#652C8C

accent

#37F1A5

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #28510C

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

Preview Lab → · Contrast checker → · Palette generator →