#283D11#283D11

#283D11 is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 33.1% C 0.073 H 131.1°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#283D11
RGB	rgb(40, 61, 17)
HSL	hsl(89, 56%, 15%)
HSV	hsv(89, 72%, 24%)
CMYK	cmyk(34.4%, 0%, 72.1%, 76.1%)
CIE-LAB	lab(23.10, -17.01, 23.79)
CIE-LCH	lch(23.10, 29.24, 125.56°)
OKLab	oklab(33.13% -0.0478 0.0548)
OKLCH	oklch(33.13% 0.073 131.1)
XYZ	xyz(2.6450, 3.8290, 1.1299)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.63

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.32

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D11 #26113D

analogous

#3D3C11 #283D11 #123D11

triadic

#283D11 #11283D #3D1128

tetradic

#283D11 #113D3C #26113D #3D1112

square

#283D11 #113D3C #26113D #3D1112

split-complementary

#283D11 #11123D #3C113D

monochromatic

#101807 #101807 #283D11 #476D1E #679D2C

Accessibility & contrast

On white

11.89

#283D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#283D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D11

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D11	#FFFFFF	#000000	##FFFFFF
##283D11	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40380C

Deuteranopia (green-blind)

#3D3714

Tritanopia (blue-blind)

#293A34

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #283d11;
/* rgb */ color: rgb(40, 61, 17);
/* oklch */ color: oklch(33.1% 0.073 131.1);

Tailwind

colors: {
  custom: {
    50: '#647251',
    500: '#283d11',
    950: '#000000',
  },
}

SCSS

$custom: #283d11;
$custom-light: #647251;
$custom-dark: #000000;

JSON

{
  "hex": "#283d11",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 17
  },
  "hsl": {
    "h": 88.636,
    "s": 56.41,
    "l": 15.294
  },
  "oklch": {
    "l": 0.33127,
    "c": 0.07274,
    "h": 131.1
  },
  "luminance": 0.03829
}

Semantic roles & 50–950 ramp

primary

#283D11

secondary

#533376

accent

#48E090

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050802

muted

#7A7B78

Preview Lab

Preview with #283D11

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

Preview Lab → · Contrast checker → · Palette generator →