#28400F#28400F

#28400F is a dark, moderate yellow-green. Relative luminance 0.042; OKLCH L 34.0% C 0.079 H 131.9°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#28400F
RGB	rgb(40, 64, 15)
HSL	hsl(89, 62%, 15%)
HSV	hsv(89, 77%, 25%)
CMYK	cmyk(37.5%, 0%, 76.6%, 74.9%)
CIE-LAB	lab(24.17, -18.82, 25.94)
CIE-LCH	lch(24.17, 32.05, 125.95°)
OKLab	oklab(33.99% -0.0529 0.0591)
OKLCH	oklch(33.99% 0.079 131.9)
XYZ	xyz(2.7947, 4.1523, 1.1061)
Luminance	0.0415 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.52

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28400F #270F40

analogous

#403F0F #28400F #0F400F

triadic

#28400F #0F2840 #400F28

tetradic

#28400F #0F403F #270F40 #400F0F

square

#28400F #0F403F #270F40 #400F0F

split-complementary

#28400F #0F0F40 #3F0F40

monochromatic

#0F1906 #0F1906 #28400F #47721B #66A326

Accessibility & contrast

On white

11.47

#28400F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#28400F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28400F

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28400F	#FFFFFF	#000000	##FFFFFF
##28400F	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B08

Deuteranopia (green-blind)

#403913

Tritanopia (blue-blind)

#293D36

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28400f;
/* rgb */ color: rgb(40, 64, 15);
/* oklch */ color: oklch(34.0% 0.079 131.9);

Tailwind

colors: {
  custom: {
    50: '#647550',
    500: '#28400f',
    950: '#000000',
  },
}

SCSS

$custom: #28400f;
$custom-light: #647550;
$custom-dark: #000000;

JSON

{
  "hex": "#28400f",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 15
  },
  "hsl": {
    "h": 89.388,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.33992,
    "c": 0.07933,
    "h": 131.9
  },
  "luminance": 0.04152
}

Semantic roles & 50–950 ramp

primary

#28400F

secondary

#55307A

accent

#43E592

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060802

muted

#7A7B78

Preview Lab

Preview with #28400F

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

Preview Lab → · Contrast checker → · Palette generator →