#283B0B#283B0B

#283B0B is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.5% C 0.075 H 128.8°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#283B0B
RGB	rgb(40, 59, 11)
HSL	hsl(84, 69%, 14%)
HSV	hsv(84, 81%, 23%)
CMYK	cmyk(32.2%, 0%, 81.4%, 76.9%)
CIE-LAB	lab(22.31, -16.46, 25.88)
CIE-LCH	lch(22.31, 30.67, 122.45°)
OKLab	oklab(32.47% -0.0469 0.0583)
OKLCH	oklch(32.47% 0.075 128.8)
XYZ	xyz(2.4994, 3.6031, 0.8803)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B0B #1E0B3B

analogous

#3B360B #283B0B #103B0B

triadic

#283B0B #0B283B #3B0B28

tetradic

#283B0B #0B3B36 #1E0B3B #3B0B10

square

#283B0B #0B3B36 #1E0B3B #3B0B10

split-complementary

#283B0B #0B103B #360B3B

monochromatic

#111A05 #111A05 #283B0B #4B6F15 #6EA21E

Accessibility & contrast

On white

12.21

#283B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#283B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B0B

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B0B	#FFFFFF	#000000	##FFFFFF
##283B0B	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3604

Deuteranopia (green-blind)

#3C350F

Tritanopia (blue-blind)

#2A3832

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283b0b;
/* rgb */ color: rgb(40, 59, 11);
/* oklch */ color: oklch(32.5% 0.075 128.8);

Tailwind

colors: {
  custom: {
    50: '#64714d',
    500: '#283b0b',
    950: '#000000',
  },
}

SCSS

$custom: #283b0b;
$custom-light: #64714d;
$custom-dark: #000000;

JSON

{
  "hex": "#283b0b",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 83.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.32471,
    "c": 0.07485,
    "h": 128.8
  },
  "luminance": 0.03603
}

Semantic roles & 50–950 ramp

primary

#283B0B

secondary

#492A78

accent

#3CEB82

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #283B0B

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

Preview Lab → · Contrast checker → · Palette generator →