#143303#143303

#143303 is a dark, moderate yellow-green. Relative luminance 0.025; OKLCH L 28.6% C 0.082 H 136.9°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#143303
RGB	rgb(20, 51, 3)
HSL	hsl(99, 89%, 11%)
HSV	hsv(99, 94%, 20%)
CMYK	cmyk(60.8%, 0%, 94.1%, 80%)
CIE-LAB	lab(18.02, -21.54, 24.00)
CIE-LCH	lch(18.02, 32.25, 131.92°)
OKLab	oklab(28.62% -0.0599 0.0561)
OKLCH	oklch(28.62% 0.082 136.9)
XYZ	xyz(1.4887, 2.5228, 0.4946)
Luminance	0.0252 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143303 #220333

analogous

#2C3303 #143303 #03330A

triadic

#143303 #031433 #330314

tetradic

#143303 #032C33 #220333 #330A03

square

#143303 #032C33 #220333 #330A03

split-complementary

#143303 #0A0333 #33032C

monochromatic

#0B1D02 #0B1D02 #143303 #2B6D06 #41A70A

Accessibility & contrast

On white

13.96

#143303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#143303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143303

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143303	#FFFFFF	#000000	##FFFFFF
##143303	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E00

Deuteranopia (green-blind)

#312B07

Tritanopia (blue-blind)

#12312A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #143303;
/* rgb */ color: rgb(20, 51, 3);
/* oklch */ color: oklch(28.6% 0.082 136.9);

Tailwind

colors: {
  custom: {
    50: '#556b48',
    500: '#143303',
    950: '#000000',
  },
}

SCSS

$custom: #143303;
$custom-light: #556b48;
$custom-dark: #000000;

JSON

{
  "hex": "#143303",
  "rgb": {
    "r": 20,
    "g": 51,
    "b": 3
  },
  "hsl": {
    "h": 98.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.28616,
    "c": 0.08208,
    "h": 136.9
  },
  "luminance": 0.02523
}

Semantic roles & 50–950 ramp

primary

#143303

secondary

#561C76

accent

#29FFB3

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#030601

muted

#787A77

Preview Lab

Preview with #143303

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

Preview Lab → · Contrast checker → · Palette generator →