#283D0B#283D0B

#283D0B is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 33.1% C 0.078 H 129.8°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#283D0B
RGB	rgb(40, 61, 11)
HSL	hsl(85, 69%, 14%)
HSV	hsv(85, 82%, 24%)
CMYK	cmyk(34.4%, 0%, 82%, 76.1%)
CIE-LAB	lab(23.04, -17.55, 26.64)
CIE-LCH	lch(23.04, 31.90, 123.38°)
OKLab	oklab(33.06% -0.0499 0.0599)
OKLCH	oklch(33.06% 0.078 129.8)
XYZ	xyz(2.6042, 3.8127, 0.9153)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.31

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D0B #200B3D

analogous

#3D390B #283D0B #0F3D0B

triadic

#283D0B #0B283D #3D0B28

tetradic

#283D0B #0B3D39 #200B3D #3D0B0F

square

#283D0B #0B3D39 #200B3D #3D0B0F

split-complementary

#283D0B #0B0F3D #390B3D

monochromatic

#111A05 #111A05 #283D0B #4A7114 #6CA51E

Accessibility & contrast

On white

11.91

#283D0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#283D0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D0B

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D0B	#FFFFFF	#000000	##FFFFFF
##283D0B	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403804

Deuteranopia (green-blind)

#3D3610

Tritanopia (blue-blind)

#293A33

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #283d0b;
/* rgb */ color: rgb(40, 61, 11);
/* oklch */ color: oklch(33.1% 0.078 129.8);

Tailwind

colors: {
  custom: {
    50: '#64724e',
    500: '#283d0b',
    950: '#000000',
  },
}

SCSS

$custom: #283d0b;
$custom-light: #64724e;
$custom-dark: #000000;

JSON

{
  "hex": "#283d0b",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 11
  },
  "hsl": {
    "h": 85.2,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.33064,
    "c": 0.07792,
    "h": 129.8
  },
  "luminance": 0.03813
}

Semantic roles & 50–950 ramp

primary

#283D0B

secondary

#4C2A7A

accent

#3CEC86

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#060801

muted

#7A7B77

Preview Lab

Preview with #283D0B

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

Preview Lab → · Contrast checker → · Palette generator →