#283101#283101

#283101 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 29.4% C 0.069 H 120.2°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#283101
RGB	rgb(40, 49, 1)
HSL	hsl(71, 96%, 10%)
HSV	hsv(71, 98%, 19%)
CMYK	cmyk(18.4%, 0%, 98%, 80.8%)
CIE-LAB	lab(18.58, -11.52, 25.81)
CIE-LCH	lch(18.58, 28.26, 114.05°)
OKLab	oklab(29.42% -0.0347 0.0595)
OKLCH	oklch(29.42% 0.069 120.2)
XYZ	xyz(1.9789, 2.6499, 0.4359)
Luminance	0.0265 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283101 #0A0131

analogous

#312201 #283101 #103101

triadic

#283101 #012831 #310128

tetradic

#283101 #013122 #0A0131 #310110

square

#283101 #013122 #0A0131 #310110

split-complementary

#283101 #011031 #220131

monochromatic

#181E01 #181E01 #283101 #596D02 #8AA903

Accessibility & contrast

On white

13.73

#283101 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#283101 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283101

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283101	#FFFFFF	#000000	##FFFFFF
##283101	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352D00

Deuteranopia (green-blind)

#342D04

Tritanopia (blue-blind)

#2B2E28

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #283101;
/* rgb */ color: rgb(40, 49, 1);
/* oklch */ color: oklch(29.4% 0.069 120.2);

Tailwind

colors: {
  custom: {
    50: '#636947',
    500: '#283101',
    950: '#000000',
  },
}

SCSS

$custom: #283101;
$custom-light: #636947;
$custom-dark: #000000;

JSON

{
  "hex": "#283101",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 1
  },
  "hsl": {
    "h": 71.25,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.29423,
    "c": 0.06889,
    "h": 120.2
  },
  "luminance": 0.0265
}

Semantic roles & 50–950 ramp

primary

#283101

secondary

#291777

accent

#29FF51

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#050600

muted

#7A7A77

Preview Lab

Preview with #283101

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

Preview Lab → · Contrast checker → · Palette generator →