#283C05#283C05

#283C05 is a dark, moderate yellow-green. Relative luminance 0.037; OKLCH L 32.7% C 0.081 H 128.3°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#283C05
RGB	rgb(40, 60, 5)
HSL	hsl(82, 85%, 13%)
HSV	hsv(82, 92%, 24%)
CMYK	cmyk(33.3%, 0%, 91.7%, 76.5%)
CIE-LAB	lab(22.63, -17.46, 28.67)
CIE-LCH	lch(22.63, 33.56, 121.34°)
OKLab	oklab(32.71% -0.0502 0.0635)
OKLCH	oklch(32.71% 0.081 128.3)
XYZ	xyz(2.5183, 3.6937, 0.7238)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C05 #19053C

analogous

#3C3405 #283C05 #0D3C05

triadic

#283C05 #05283C #3C0528

tetradic

#283C05 #053C34 #19053C #3C050D

square

#283C05 #053C34 #19053C #3C050D

split-complementary

#283C05 #050D3C #34053C

monochromatic

#131C02 #131C02 #283C05 #4E740A #73AD0E

Accessibility & contrast

On white

12.08

#283C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#283C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C05

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C05	#FFFFFF	#000000	##FFFFFF
##283C05	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3700

Deuteranopia (green-blind)

#3D360A

Tritanopia (blue-blind)

#2A3932

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283c05;
/* rgb */ color: rgb(40, 60, 5);
/* oklch */ color: oklch(32.7% 0.081 128.3);

Tailwind

colors: {
  custom: {
    50: '#64714a',
    500: '#283c05',
    950: '#000000',
  },
}

SCSS

$custom: #283c05;
$custom-light: #64714a;
$custom-dark: #000000;

JSON

{
  "hex": "#283c05",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 5
  },
  "hsl": {
    "h": 81.818,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.32715,
    "c": 0.08096,
    "h": 128.3
  },
  "luminance": 0.03694
}

Semantic roles & 50–950 ramp

primary

#283C05

secondary

#42207D

accent

#2DFB78

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#060701

muted

#7A7A77

Preview Lab

Preview with #283C05

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

Preview Lab → · Contrast checker → · Palette generator →