#283B05#283B05

#283B05 is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.4% C 0.080 H 127.8°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#283B05
RGB	rgb(40, 59, 5)
HSL	hsl(81, 84%, 13%)
HSV	hsv(81, 92%, 23%)
CMYK	cmyk(32.2%, 0%, 91.5%, 76.9%)
CIE-LAB	lab(22.27, -16.91, 28.29)
CIE-LCH	lch(22.27, 32.96, 120.88°)
OKLab	oklab(32.42% -0.0488 0.0628)
OKLCH	oklch(32.42% 0.08 127.8)
XYZ	xyz(2.4664, 3.5899, 0.7065)
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

#283B05 #18053B

analogous

#3B3305 #283B05 #0D3B05

triadic

#283B05 #05283B #3B0528

tetradic

#283B05 #053B33 #18053B #3B050D

square

#283B05 #053B33 #18053B #3B050D

split-complementary

#283B05 #050D3B #33053B

monochromatic

#131C02 #131C02 #283B05 #4E730A #75AC0F

Accessibility & contrast

On white

12.22

#283B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#283B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B05

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B05	#FFFFFF	#000000	##FFFFFF
##283B05	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3600

Deuteranopia (green-blind)

#3C350A

Tritanopia (blue-blind)

#2A3831

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283b05;
/* rgb */ color: rgb(40, 59, 5);
/* oklch */ color: oklch(32.4% 0.080 127.8);

Tailwind

colors: {
  custom: {
    50: '#64714a',
    500: '#283b05',
    950: '#000000',
  },
}

SCSS

$custom: #283b05;
$custom-light: #64714a;
$custom-dark: #000000;

JSON

{
  "hex": "#283b05",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 81.111,
    "s": 84.375,
    "l": 12.549
  },
  "oklch": {
    "l": 0.32418,
    "c": 0.07951,
    "h": 127.8
  },
  "luminance": 0.0359
}

Semantic roles & 50–950 ramp

primary

#283B05

secondary

#40207C

accent

#2DFB75

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#060701

muted

#7A7A77

Preview Lab

Preview with #283B05

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

Preview Lab → · Contrast checker → · Palette generator →