#283D18#283D18

#283D18 is a dark, moderate yellow-green. Relative luminance 0.039; OKLCH L 33.2% C 0.065 H 133.3°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#283D18
RGB	rgb(40, 61, 24)
HSL	hsl(94, 44%, 17%)
HSV	hsv(94, 61%, 24%)
CMYK	cmyk(34.4%, 0%, 60.7%, 76.1%)
CIE-LAB	lab(23.18, -16.18, 19.99)
CIE-LCH	lch(23.18, 25.71, 128.98°)
OKLab	oklab(33.23% -0.0448 0.0475)
OKLCH	oklch(33.23% 0.065 133.3)
XYZ	xyz(2.7086, 3.8545, 1.4652)
Luminance	0.0386 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D18 #2D183D

analogous

#3B3D18 #283D18 #183D1B

triadic

#283D18 #18283D #3D1828

tetradic

#283D18 #183B3D #2D183D #3D1B18

square

#283D18 #183B3D #2D183D #3D1B18

split-complementary

#283D18 #1B183D #3D183B

monochromatic

#0E1609 #0E1609 #283D18 #456929 #62953B

Accessibility & contrast

On white

11.86

#283D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#283D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D18

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D18	#FFFFFF	#000000	##FFFFFF
##283D18	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3815

Deuteranopia (green-blind)

#3C371A

Tritanopia (blue-blind)

#283B35

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #283d18;
/* rgb */ color: rgb(40, 61, 24);
/* oklch */ color: oklch(33.2% 0.065 133.3);

Tailwind

colors: {
  custom: {
    50: '#637256',
    500: '#283d18',
    950: '#000000',
  },
}

SCSS

$custom: #283d18;
$custom-light: #637256;
$custom-dark: #000000;

JSON

{
  "hex": "#283d18",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 24
  },
  "hsl": {
    "h": 94.054,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33225,
    "c": 0.06532,
    "h": 133.3
  },
  "luminance": 0.03855
}

Semantic roles & 50–950 ramp

primary

#283D18

secondary

#5C3D73

accent

#55D39C

background

#F6F6F5

surface

#EBECE9

border

#C6C7C5

text

#050803

muted

#7A7B78

Preview Lab

Preview with #283D18

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

Preview Lab → · Contrast checker → · Palette generator →