#28450B#28450B

#28450B is a dark, moderate yellow-green. Relative luminance 0.047; OKLCH L 35.4% C 0.090 H 132.9°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#28450B
RGB	rgb(40, 69, 11)
HSL	hsl(90, 73%, 16%)
HSV	hsv(90, 84%, 27%)
CMYK	cmyk(42%, 0%, 84.1%, 72.9%)
CIE-LAB	lab(25.96, -21.72, 29.52)
CIE-LCH	lch(25.96, 36.65, 126.34°)
OKLab	oklab(35.44% -0.0612 0.0659)
OKLCH	oklch(35.44% 0.09 132.9)
XYZ	xyz(3.0636, 4.7314, 1.0684)
Luminance	0.0473 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.39

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28450B #280B45

analogous

#45450B #28450B #0B450B

triadic

#28450B #0B2845 #450B28

tetradic

#28450B #0B4545 #280B45 #450B0B

square

#28450B #0B4545 #280B45 #450B0B

split-complementary

#28450B #0B0B45 #450B45

monochromatic

#0F1A04 #0F1A04 #28450B #477A13 #65AF1C

Accessibility & contrast

On white

10.79

#28450B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#28450B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28450B

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28450B	#FFFFFF	#000000	##FFFFFF
##28450B	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F02

Deuteranopia (green-blind)

#443D11

Tritanopia (blue-blind)

#28423A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #28450b;
/* rgb */ color: rgb(40, 69, 11);
/* oklch */ color: oklch(35.4% 0.090 132.9);

Tailwind

colors: {
  custom: {
    50: '#65794f',
    500: '#28450b',
    950: '#000000',
  },
}

SCSS

$custom: #28450b;
$custom-light: #65794f;
$custom-dark: #000000;

JSON

{
  "hex": "#28450b",
  "rgb": {
    "r": 40,
    "g": 69,
    "b": 11
  },
  "hsl": {
    "h": 90,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.3544,
    "c": 0.08992,
    "h": 132.9
  },
  "luminance": 0.04732
}

Semantic roles & 50–950 ramp

primary

#28450B

secondary

#562A81

accent

#39EF94

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060902

muted

#7A7B78

Preview Lab

Preview with #28450B

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

Preview Lab → · Contrast checker → · Palette generator →