#131B00#131B00

#131B00 is a very dark, muted yellow-green. Relative luminance 0.009; OKLCH L 20.7% C 0.051 H 123.4°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#131B00
RGB	rgb(19, 27, 0)
HSL	hsl(78, 100%, 5%)
HSV	hsv(78, 100%, 11%)
CMYK	cmyk(29.6%, 0%, 100%, 89.4%)
CIE-LAB	lab(8.33, -8.83, 12.31)
CIE-LCH	lch(8.33, 15.15, 125.67°)
OKLab	oklab(20.65% -0.028 0.0425)
OKLCH	oklch(20.65% 0.051 123.4)
XYZ	xyz(0.6605, 0.9223, 0.1432)
Luminance	0.0092 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131B00 #08001B

analogous

#1B1500 #131B00 #051B00

triadic

#131B00 #00131B #1B0013

tetradic

#131B00 #001B15 #08001B #1B0005

square

#131B00 #001B15 #08001B #1B0005

split-complementary

#131B00 #00051B #15001B

monochromatic

#161F00 #161F00 #161F00 #3E5800 #699500

Accessibility & contrast

On white

17.73

#131B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#131B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131B00

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131B00	#FFFFFF	#000000	##FFFFFF
##131B00	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1800

Deuteranopia (green-blind)

#1C1801

Tritanopia (blue-blind)

#151915

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #131b00;
/* rgb */ color: rgb(19, 27, 0);
/* oklch */ color: oklch(20.7% 0.051 123.4);

Tailwind

colors: {
  custom: {
    50: '#505746',
    500: '#131b00',
    950: '#000000',
  },
}

SCSS

$custom: #131b00;
$custom-light: #505746;
$custom-dark: #000000;

JSON

{
  "hex": "#131b00",
  "rgb": {
    "r": 19,
    "g": 27,
    "b": 0
  },
  "hsl": {
    "h": 77.778,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.20653,
    "c": 0.05092,
    "h": 123.4
  },
  "luminance": 0.00922
}

Semantic roles & 50–950 ramp

primary

#131B00

secondary

#2A1265

accent

#29FF68

background

#F4F5F3

surface

#E7E9E5

border

#C3C5C1

text

#020300

muted

#787877

Preview Lab

Preview with #131B00

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

Preview Lab → · Contrast checker → · Palette generator →