#283103#283103

#283103 is a dark, moderate yellow-green. Relative luminance 0.027; OKLCH L 29.4% C 0.067 H 120.5°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#283103
RGB	rgb(40, 49, 3)
HSL	hsl(72, 88%, 10%)
HSV	hsv(72, 94%, 19%)
CMYK	cmyk(18.4%, 0%, 93.9%, 80.8%)
CIE-LAB	lab(18.60, -11.34, 25.01)
CIE-LCH	lch(18.60, 27.46, 114.39°)
OKLab	oklab(29.44% -0.0339 0.0576)
OKLCH	oklch(29.44% 0.067 120.5)
XYZ	xyz(1.9899, 2.6543, 0.4936)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283103 #0C0331

analogous

#312303 #283103 #113103

triadic

#283103 #032831 #310328

tetradic

#283103 #033123 #0C0331 #310311

square

#283103 #033123 #0C0331 #310311

split-complementary

#283103 #031131 #230331

monochromatic

#181D02 #181D02 #283103 #576B07 #86A40A

Accessibility & contrast

On white

13.72

#283103 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#283103 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283103

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283103	#FFFFFF	#000000	##FFFFFF
##283103	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352D00

Deuteranopia (green-blind)

#342D06

Tritanopia (blue-blind)

#2B2E28

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #283103;
/* rgb */ color: rgb(40, 49, 3);
/* oklch */ color: oklch(29.4% 0.067 120.5);

Tailwind

colors: {
  custom: {
    50: '#636948',
    500: '#283103',
    950: '#000000',
  },
}

SCSS

$custom: #283103;
$custom-light: #636948;
$custom-dark: #000000;

JSON

{
  "hex": "#283103",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 3
  },
  "hsl": {
    "h": 71.739,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.29444,
    "c": 0.06684,
    "h": 120.5
  },
  "luminance": 0.02654
}

Semantic roles & 50–950 ramp

primary

#283103

secondary

#2D1B74

accent

#29FF53

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#050601

muted

#7A7A77

Preview Lab

Preview with #283103

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

Preview Lab → · Contrast checker → · Palette generator →