#283603#283603

#283603 is a dark, moderate yellow-green. Relative luminance 0.031; OKLCH L 30.9% C 0.074 H 124.5°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#283603
RGB	rgb(40, 54, 3)
HSL	hsl(76, 89%, 11%)
HSV	hsv(76, 94%, 21%)
CMYK	cmyk(25.9%, 0%, 94.4%, 78.8%)
CIE-LAB	lab(20.42, -14.28, 27.10)
CIE-LCH	lch(20.42, 30.63, 117.78°)
OKLab	oklab(30.92% -0.0419 0.061)
OKLCH	oklch(30.92% 0.074 124.5)
XYZ	xyz(2.2107, 3.0960, 0.5673)
Luminance	0.0310 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 8.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283603 #110336

analogous

#362A03 #283603 #0E3603

triadic

#283603 #032836 #360328

tetradic

#283603 #03362A #110336 #36030E

square

#283603 #03362A #110336 #36030E

split-complementary

#283603 #030E36 #2A0336

monochromatic

#151D02 #151D02 #283603 #537006 #7EAA09

Accessibility & contrast

On white

12.97

#283603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#283603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283603

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283603	#FFFFFF	#000000	##FFFFFF
##283603	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3200

Deuteranopia (green-blind)

#383107

Tritanopia (blue-blind)

#2A332D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #283603;
/* rgb */ color: rgb(40, 54, 3);
/* oklch */ color: oklch(30.9% 0.074 124.5);

Tailwind

colors: {
  custom: {
    50: '#646d49',
    500: '#283603',
    950: '#000000',
  },
}

SCSS

$custom: #283603;
$custom-light: #646d49;
$custom-dark: #000000;

JSON

{
  "hex": "#283603",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 3
  },
  "hsl": {
    "h": 76.471,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.30917,
    "c": 0.07398,
    "h": 124.5
  },
  "luminance": 0.03096
}

Semantic roles & 50–950 ramp

primary

#283603

secondary

#351C79

accent

#29FF64

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #283603

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

Preview Lab → · Contrast checker → · Palette generator →