#283303#283303

#283303 is a dark, moderate yellow-green. Relative luminance 0.028; OKLCH L 30.0% C 0.070 H 122.2°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#283303
RGB	rgb(40, 51, 3)
HSL	hsl(74, 89%, 11%)
HSV	hsv(74, 94%, 20%)
CMYK	cmyk(21.6%, 0%, 94.1%, 80%)
CIE-LAB	lab(19.33, -12.53, 25.86)
CIE-LCH	lch(19.33, 28.74, 115.86°)
OKLab	oklab(30.03% -0.0371 0.059)
OKLCH	oklch(30.03% 0.07 122.2)
XYZ	xyz(2.0754, 2.8253, 0.5221)
Luminance	0.0283 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 9.21

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283303 #0E0333

analogous

#332603 #283303 #103303

triadic

#283303 #032833 #330328

tetradic

#283303 #033326 #0E0333 #330310

square

#283303 #033326 #0E0333 #330310

split-complementary

#283303 #031033 #260333

monochromatic

#171D02 #171D02 #283303 #556D06 #83A70A

Accessibility & contrast

On white

13.42

#283303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#283303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283303

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283303	#FFFFFF	#000000	##FFFFFF
##283303	1.00	13.42	1.57	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#372F00

Deuteranopia (green-blind)

#352F07

Tritanopia (blue-blind)

#2B302A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #283303;
/* rgb */ color: rgb(40, 51, 3);
/* oklch */ color: oklch(30.0% 0.070 122.2);

Tailwind

colors: {
  custom: {
    50: '#646a49',
    500: '#283303',
    950: '#000000',
  },
}

SCSS

$custom: #283303;
$custom-light: #646a49;
$custom-dark: #000000;

JSON

{
  "hex": "#283303",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 3
  },
  "hsl": {
    "h": 73.75,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.30032,
    "c": 0.06969,
    "h": 122.2
  },
  "luminance": 0.02825
}

Semantic roles & 50–950 ramp

primary

#283303

secondary

#301C76

accent

#29FF5A

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#050601

muted

#7A7A77

Preview Lab

Preview with #283303

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

Preview Lab → · Contrast checker → · Palette generator →