#28400D#28400D

#28400D is a dark, moderate yellow-green. Relative luminance 0.041; OKLCH L 34.0% C 0.081 H 131.5°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#28400D
RGB	rgb(40, 64, 13)
HSL	hsl(88, 66%, 15%)
HSV	hsv(88, 80%, 25%)
CMYK	cmyk(37.5%, 0%, 79.7%, 74.9%)
CIE-LAB	lab(24.15, -18.99, 26.87)
CIE-LCH	lch(24.15, 32.90, 125.26°)
OKLab	oklab(33.97% -0.0536 0.0607)
OKLCH	oklch(33.97% 0.081 131.5)
XYZ	xyz(2.7811, 4.1469, 1.0346)
Luminance	0.0415 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.46

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28400D #250D40

analogous

#403E0D #28400D #0F400D

triadic

#28400D #0D2840 #400D28

tetradic

#28400D #0D403E #250D40 #400D0F

square

#28400D #0D403E #250D40 #400D0F

split-complementary

#28400D #0D0F40 #3E0D40

monochromatic

#101905 #101905 #28400D #487317 #68A622

Accessibility & contrast

On white

11.48

#28400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#28400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28400D

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28400D	#FFFFFF	#000000	##FFFFFF
##28400D	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B06

Deuteranopia (green-blind)

#403912

Tritanopia (blue-blind)

#293D36

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28400d;
/* rgb */ color: rgb(40, 64, 13);
/* oklch */ color: oklch(34.0% 0.081 131.5);

Tailwind

colors: {
  custom: {
    50: '#64754f',
    500: '#28400d',
    950: '#000000',
  },
}

SCSS

$custom: #28400d;
$custom-light: #64754f;
$custom-dark: #000000;

JSON

{
  "hex": "#28400d",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 88.235,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33972,
    "c": 0.08097,
    "h": 131.5
  },
  "luminance": 0.04147
}

Semantic roles & 50–950 ramp

primary

#28400D

secondary

#522D7C

accent

#3FE98F

background

#F6F7F4

surface

#EBEDE7

border

#C6C8C3

text

#060802

muted

#7A7B78

Preview Lab

Preview with #28400D

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

Preview Lab → · Contrast checker → · Palette generator →