#283D10#283D10

#283D10 is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 33.1% C 0.074 H 130.8°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#283D10
RGB	rgb(40, 61, 16)
HSL	hsl(88, 58%, 15%)
HSV	hsv(88, 74%, 24%)
CMYK	cmyk(34.4%, 0%, 73.8%, 76.1%)
CIE-LAB	lab(23.09, -17.11, 24.29)
CIE-LCH	lch(23.09, 29.71, 125.16°)
OKLab	oklab(33.12% -0.0482 0.0558)
OKLCH	oklch(33.12% 0.074 130.8)
XYZ	xyz(2.6373, 3.8259, 1.0896)
Luminance	0.0383 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 5.56

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.30

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D10 #25103D

analogous

#3D3C10 #283D10 #113D10

triadic

#283D10 #10283D #3D1028

tetradic

#283D10 #103D3C #25103D #3D1011

square

#283D10 #103D3C #25103D #3D1011

split-complementary

#283D10 #10113D #3C103D

monochromatic

#101806 #101806 #283D10 #486D1D #689E29

Accessibility & contrast

On white

11.90

#283D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#283D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D10

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D10	#FFFFFF	#000000	##FFFFFF
##283D10	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40380A

Deuteranopia (green-blind)

#3D3714

Tritanopia (blue-blind)

#293A34

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #283d10;
/* rgb */ color: rgb(40, 61, 16);
/* oklch */ color: oklch(33.1% 0.074 130.8);

Tailwind

colors: {
  custom: {
    50: '#647250',
    500: '#283d10',
    950: '#000000',
  },
}

SCSS

$custom: #283d10;
$custom-light: #647250;
$custom-dark: #000000;

JSON

{
  "hex": "#283d10",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 16
  },
  "hsl": {
    "h": 88,
    "s": 58.442,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33115,
    "c": 0.07369,
    "h": 130.8
  },
  "luminance": 0.03826
}

Semantic roles & 50–950 ramp

primary

#283D10

secondary

#523277

accent

#46E28F

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050802

muted

#7A7B78

Preview Lab

Preview with #283D10

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

Preview Lab → · Contrast checker → · Palette generator →