#1D210B#1D210B

#1D210B is a very dark, muted yellow-green. Relative luminance 0.014; OKLCH L 23.7% C 0.038 H 117.9°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#1D210B
RGB	rgb(29, 33, 11)
HSL	hsl(71, 50%, 9%)
HSV	hsv(71, 67%, 13%)
CMYK	cmyk(12.1%, 0%, 66.7%, 87.1%)
CIE-LAB	lab(11.78, -6.26, 12.82)
CIE-LCH	lch(11.78, 14.27, 116.01°)
OKLab	oklab(23.73% -0.0178 0.0336)
OKLCH	oklch(23.73% 0.038 117.9)
XYZ	xyz(1.1110, 1.3731, 0.5231)
Luminance	0.0137 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D210B #0F0B21

analogous

#211A0B #1D210B #12210B

triadic

#1D210B #0B1D21 #210B1D

tetradic

#1D210B #0B211A #0F0B21 #210B12

square

#1D210B #0B211A #0F0B21 #210B12

split-complementary

#1D210B #0B1221 #1A0B21

monochromatic

#141708 #141708 #1D210B #454F1A #6E7D2A

Accessibility & contrast

On white

16.48

#1D210B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1D210B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D210B

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D210B	#FFFFFF	#000000	##FFFFFF
##1D210B	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F09

Deuteranopia (green-blind)

#231F0C

Tritanopia (blue-blind)

#1F1F1C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1d210b;
/* rgb */ color: rgb(29, 33, 11);
/* oklch */ color: oklch(23.7% 0.038 117.9);

Tailwind

colors: {
  custom: {
    50: '#595c4b',
    500: '#1d210b',
    950: '#000000',
  },
}

SCSS

$custom: #1d210b;
$custom-light: #595c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d210b",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 11
  },
  "hsl": {
    "h": 70.909,
    "s": 50,
    "l": 8.627
  },
  "oklch": {
    "l": 0.23729,
    "c": 0.03797,
    "h": 117.9
  },
  "luminance": 0.01373
}

Semantic roles & 50–950 ramp

primary

#1D210B

secondary

#352C5C

accent

#4EDA68

background

#F5F5F4

surface

#E9E9E7

border

#C5C5C3

text

#030401

muted

#787977

Preview Lab

Preview with #1D210B

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

Preview Lab → · Contrast checker → · Palette generator →