#283A18#283A18

#283A18 is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.3% C 0.060 H 132.0°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#283A18
RGB	rgb(40, 58, 24)
HSL	hsl(92, 41%, 16%)
HSV	hsv(92, 59%, 23%)
CMYK	cmyk(31%, 0%, 58.6%, 77.3%)
CIE-LAB	lab(22.10, -14.48, 18.69)
CIE-LCH	lch(22.10, 23.64, 127.78°)
OKLab	oklab(32.35% -0.0401 0.0447)
OKLCH	oklch(32.35% 0.06 132)
XYZ	xyz(2.5530, 3.5431, 1.4134)
Luminance	0.0354 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A18 #2A183A

analogous

#393A18 #283A18 #183A19

triadic

#283A18 #18283A #3A1828

tetradic

#283A18 #18393A #2A183A #3A1918

square

#283A18 #18393A #2A183A #3A1918

split-complementary

#283A18 #19183A #3A1839

monochromatic

#0F1609 #0F1609 #283A18 #46652A #64913C

Accessibility & contrast

On white

12.29

#283A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#283A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A18

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A18	#FFFFFF	#000000	##FFFFFF
##283A18	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3615

Deuteranopia (green-blind)

#3A341A

Tritanopia (blue-blind)

#293832

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283a18;
/* rgb */ color: rgb(40, 58, 24);
/* oklch */ color: oklch(32.3% 0.060 132.0);

Tailwind

colors: {
  custom: {
    50: '#637056',
    500: '#283a18',
    950: '#000000',
  },
}

SCSS

$custom: #283a18;
$custom-light: #637056;
$custom-dark: #000000;

JSON

{
  "hex": "#283a18",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 24
  },
  "hsl": {
    "h": 91.765,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32346,
    "c": 0.06005,
    "h": 132
  },
  "luminance": 0.03543
}

Semantic roles & 50–950 ramp

primary

#283A18

secondary

#583E70

accent

#57D198

background

#F5F6F5

surface

#EAECE9

border

#C6C7C5

text

#050703

muted

#797A78

Preview Lab

Preview with #283A18

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

Preview Lab → · Contrast checker → · Palette generator →