#283B10#283B10

#283B10 is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.5% C 0.070 H 129.8°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#283B10
RGB	rgb(40, 59, 16)
HSL	hsl(87, 57%, 15%)
HSV	hsv(87, 73%, 23%)
CMYK	cmyk(32.2%, 0%, 72.9%, 76.9%)
CIE-LAB	lab(22.36, -16.01, 23.50)
CIE-LCH	lch(22.36, 28.44, 124.26°)
OKLab	oklab(32.52% -0.0451 0.0541)
OKLCH	oklch(32.52% 0.07 129.8)
XYZ	xyz(2.5325, 3.6164, 1.0547)
Luminance	0.0362 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283B10 #23103B

analogous

#3B3910 #283B10 #123B10

triadic

#283B10 #10283B #3B1028

tetradic

#283B10 #103B39 #23103B #3B1012

square

#283B10 #103B39 #23103B #3B1012

split-complementary

#283B10 #10123B #39103B

monochromatic

#101807 #101807 #283B10 #496B1D #699B2A

Accessibility & contrast

On white

12.19

#283B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#283B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B10

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283B10	#FFFFFF	#000000	##FFFFFF
##283B10	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E360B

Deuteranopia (green-blind)

#3B3513

Tritanopia (blue-blind)

#293832

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #283b10;
/* rgb */ color: rgb(40, 59, 16);
/* oklch */ color: oklch(32.5% 0.070 129.8);

Tailwind

colors: {
  custom: {
    50: '#647150',
    500: '#283b10',
    950: '#000000',
  },
}

SCSS

$custom: #283b10;
$custom-light: #647150;
$custom-dark: #000000;

JSON

{
  "hex": "#283b10",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 16
  },
  "hsl": {
    "h": 86.512,
    "s": 57.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.32524,
    "c": 0.07045,
    "h": 129.8
  },
  "luminance": 0.03616
}

Semantic roles & 50–950 ramp

primary

#283B10

secondary

#503275

accent

#47E18B

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#050702

muted

#7A7A78

Preview Lab

Preview with #283B10

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

Preview Lab → · Contrast checker → · Palette generator →