#211F00#211F00

#211F00 is a very dark, muted yellow. Relative luminance 0.013; OKLCH L 23.4% C 0.050 H 106.2°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#211F00
RGB	rgb(33, 31, 0)
HSL	hsl(56, 100%, 6%)
HSV	hsv(56, 100%, 13%)
CMYK	cmyk(0%, 6.1%, 100%, 87.1%)
CIE-LAB	lab(11.30, -3.98, 16.73)
CIE-LCH	lch(11.30, 17.19, 103.40°)
OKLab	oklab(23.4% -0.0139 0.048)
OKLCH	oklch(23.4% 0.05 106.2)
XYZ	xyz(1.1172, 1.3034, 0.1927)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F00 #000221

analogous

#210F00 #211F00 #132100

triadic

#211F00 #00211F #1F0021

tetradic

#211F00 #00210F #000221 #210013

square

#211F00 #00210F #000221 #210013

split-complementary

#211F00 #001321 #0F0021

monochromatic

#1F1D00 #1F1D00 #211F00 #5E5800 #9B9200

Accessibility & contrast

On white

16.66

#211F00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#211F00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F00

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F00	#FFFFFF	#000000	##FFFFFF
##211F00	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231D00

Deuteranopia (green-blind)

#241F01

Tritanopia (blue-blind)

#241C19

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #211f00;
/* rgb */ color: rgb(33, 31, 0);
/* oklch */ color: oklch(23.4% 0.050 106.2);

Tailwind

colors: {
  custom: {
    50: '#5c5a46',
    500: '#211f00',
    950: '#000000',
  },
}

SCSS

$custom: #211f00;
$custom-light: #5c5a46;
$custom-dark: #000000;

JSON

{
  "hex": "#211f00",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 0
  },
  "hsl": {
    "h": 56.364,
    "s": 100,
    "l": 6.471
  },
  "oklch": {
    "l": 0.23398,
    "c": 0.04994,
    "h": 106.2
  },
  "luminance": 0.01303
}

Semantic roles & 50–950 ramp

primary

#211F00

secondary

#13186A

accent

#36FF29

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#040300

muted

#797877

Preview Lab

Preview with #211F00

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

Preview Lab → · Contrast checker → · Palette generator →