#28370A#28370A

#28370A is a dark, moderate yellow-green. Relative luminance 0.032; OKLCH L 31.3% C 0.069 H 126.2°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#28370A
RGB	rgb(40, 55, 10)
HSL	hsl(80, 69%, 13%)
HSV	hsv(80, 82%, 22%)
CMYK	cmyk(27.3%, 0%, 81.8%, 78.4%)
CIE-LAB	lab(20.85, -14.29, 24.72)
CIE-LCH	lch(20.85, 28.55, 120.03°)
OKLab	oklab(31.28% -0.0411 0.056)
OKLCH	oklch(31.28% 0.069 126.2)
XYZ	xyz(2.2961, 3.2054, 0.7848)
Luminance	0.0321 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28370A #190A37

analogous

#372F0A #28370A #11370A

triadic

#28370A #0A2837 #370A28

tetradic

#28370A #0A372F #190A37 #370A11

square

#28370A #0A372F #190A37 #370A11

split-complementary

#28370A #0A1137 #2F0A37

monochromatic

#131A05 #131A05 #28370A #4E6B13 #739F1D

Accessibility & contrast

On white

12.80

#28370A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#28370A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28370A

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28370A	#FFFFFF	#000000	##FFFFFF
##28370A	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3304

Deuteranopia (green-blind)

#38320E

Tritanopia (blue-blind)

#2A342E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #28370a;
/* rgb */ color: rgb(40, 55, 10);
/* oklch */ color: oklch(31.3% 0.069 126.2);

Tailwind

colors: {
  custom: {
    50: '#646d4c',
    500: '#28370a',
    950: '#000000',
  },
}

SCSS

$custom: #28370a;
$custom-light: #646d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#28370a",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 80,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.3128,
    "c": 0.06946,
    "h": 126.2
  },
  "luminance": 0.03205
}

Semantic roles & 50–950 ramp

primary

#28370A

secondary

#422874

accent

#3CEC77

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #28370A

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

Preview Lab → · Contrast checker → · Palette generator →