#283B13#283B13

#283B13 is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.6% C 0.067 H 130.7°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#283B13
RGB	rgb(40, 59, 19)
HSL	hsl(89, 51%, 15%)
HSV	hsv(89, 68%, 23%)
CMYK	cmyk(32.2%, 0%, 67.8%, 76.9%)
CIE-LAB	lab(22.39, -15.68, 21.92)
CIE-LCH	lch(22.39, 26.95, 125.58°)
OKLab	oklab(32.56% -0.0439 0.0511)
OKLCH	oklch(32.56% 0.067 130.7)
XYZ	xyz(2.5566, 3.6260, 1.1812)
Luminance	0.0363 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B13 #26133B

analogous

#3B3A13 #283B13 #143B13

triadic

#283B13 #13283B #3B1328

tetradic

#283B13 #133B3A #26133B #3B1314

square

#283B13 #133B3A #26133B #3B1314

split-complementary

#283B13 #13143B #3A133B

monochromatic

#101707 #101707 #283B13 #476922 #679831

Accessibility & contrast

On white

12.17

#283B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#283B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B13

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B13	#FFFFFF	#000000	##FFFFFF
##283B13	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E360F

Deuteranopia (green-blind)

#3B3516

Tritanopia (blue-blind)

#293832

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283b13;
/* rgb */ color: rgb(40, 59, 19);
/* oklch */ color: oklch(32.6% 0.067 130.7);

Tailwind

colors: {
  custom: {
    50: '#637152',
    500: '#283b13',
    950: '#000000',
  },
}

SCSS

$custom: #283b13;
$custom-light: #637152;
$custom-dark: #000000;

JSON

{
  "hex": "#283b13",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 19
  },
  "hsl": {
    "h": 88.5,
    "s": 51.282,
    "l": 15.294
  },
  "oklch": {
    "l": 0.32563,
    "c": 0.06742,
    "h": 130.7
  },
  "luminance": 0.03626
}

Semantic roles & 50–950 ramp

primary

#283B13

secondary

#533673

accent

#4DDB90

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050702

muted

#7A7A78

Preview Lab

Preview with #283B13

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

Preview Lab → · Contrast checker → · Palette generator →