#283D13#283D13

#283D13 is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 33.2% C 0.071 H 131.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#283D13
RGB	rgb(40, 61, 19)
HSL	hsl(90, 53%, 16%)
HSV	hsv(90, 69%, 24%)
CMYK	cmyk(34.4%, 0%, 68.9%, 76.1%)
CIE-LAB	lab(23.12, -16.79, 22.74)
CIE-LCH	lch(23.12, 28.27, 126.44°)
OKLab	oklab(33.15% -0.047 0.0529)
OKLCH	oklch(33.15% 0.071 131.6)
XYZ	xyz(2.6613, 3.8355, 1.2161)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.82

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D13 #28133D

analogous

#3D3D13 #283D13 #133D13

triadic

#283D13 #13283D #3D1328

tetradic

#283D13 #133D3D #28133D #3D1313

square

#283D13 #133D3D #28133D #3D1313

split-complementary

#283D13 #13133D #3D133D

monochromatic

#0F1707 #0F1707 #283D13 #476C22 #659A30

Accessibility & contrast

On white

11.88

#283D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#283D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D13

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D13	#FFFFFF	#000000	##FFFFFF
##283D13	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40380E

Deuteranopia (green-blind)

#3D3716

Tritanopia (blue-blind)

#293A34

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #283d13;
/* rgb */ color: rgb(40, 61, 19);
/* oklch */ color: oklch(33.2% 0.071 131.6);

Tailwind

colors: {
  custom: {
    50: '#647252',
    500: '#283d13',
    950: '#000000',
  },
}

SCSS

$custom: #283d13;
$custom-light: #647252;
$custom-dark: #000000;

JSON

{
  "hex": "#283d13",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 19
  },
  "hsl": {
    "h": 90,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33152,
    "c": 0.07076,
    "h": 131.6
  },
  "luminance": 0.03836
}

Semantic roles & 50–950 ramp

primary

#283D13

secondary

#563675

accent

#4CDC94

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050802

muted

#7A7B78

Preview Lab

Preview with #283D13

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

Preview Lab → · Contrast checker → · Palette generator →