#283B04#283B04

#283B04 is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.4% C 0.080 H 127.7°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#283B04
RGB	rgb(40, 59, 4)
HSL	hsl(81, 87%, 12%)
HSV	hsv(81, 93%, 23%)
CMYK	cmyk(32.2%, 0%, 93.2%, 76.9%)
CIE-LAB	lab(22.26, -16.99, 28.68)
CIE-LCH	lch(22.26, 33.34, 120.64°)
OKLab	oklab(32.41% -0.0491 0.0636)
OKLCH	oklch(32.41% 0.08 127.7)
XYZ	xyz(2.4610, 3.5878, 0.6777)
Luminance	0.0359 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B04 #17043B

analogous

#3B3304 #283B04 #0D3B04

triadic

#283B04 #04283B #3B0428

tetradic

#283B04 #043B33 #17043B #3B040D

square

#283B04 #043B33 #17043B #3B040D

split-complementary

#283B04 #040D3B #33043B

monochromatic

#131D02 #131D02 #283B04 #4F7408 #76AE0C

Accessibility & contrast

On white

12.23

#283B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#283B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B04

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B04	#FFFFFF	#000000	##FFFFFF
##283B04	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3600

Deuteranopia (green-blind)

#3C3509

Tritanopia (blue-blind)

#2A3831

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283b04;
/* rgb */ color: rgb(40, 59, 4);
/* oklch */ color: oklch(32.4% 0.080 127.7);

Tailwind

colors: {
  custom: {
    50: '#64714a',
    500: '#283b04',
    950: '#000000',
  },
}

SCSS

$custom: #283b04;
$custom-light: #64714a;
$custom-dark: #000000;

JSON

{
  "hex": "#283b04",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 4
  },
  "hsl": {
    "h": 80.727,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.32409,
    "c": 0.08031,
    "h": 127.7
  },
  "luminance": 0.03588
}

Semantic roles & 50–950 ramp

primary

#283B04

secondary

#3F1E7D

accent

#2AFD73

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#060701

muted

#7A7A77

Preview Lab

Preview with #283B04

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

Preview Lab → · Contrast checker → · Palette generator →