#04210C#04210C

#04210C is a very dark, muted green. Relative luminance 0.011; OKLCH L 21.9% C 0.053 H 149.7°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#04210C
RGB	rgb(4, 33, 12)
HSL	hsl(137, 78%, 7%)
HSV	hsv(137, 88%, 13%)
CMYK	cmyk(87.9%, 0%, 63.6%, 87.1%)
CIE-LAB	lab(10.11, -16.52, 9.80)
CIE-LCH	lch(10.11, 19.21, 149.32°)
OKLab	oklab(21.93% -0.0461 0.027)
OKLCH	oklch(21.93% 0.053 149.7)
XYZ	xyz(0.6602, 1.1400, 0.5330)
Luminance	0.0114 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04210C #210419

analogous

#0B2104 #04210C #04211B

triadic

#04210C #0C0421 #210C04

tetradic

#04210C #040B21 #210419 #211B04

square

#04210C #040B21 #210419 #211B04

split-complementary

#04210C #1B0421 #21040B

monochromatic

#031B0A #031B0A #04210C #0B5820 #118E34

Accessibility & contrast

On white

17.10

#04210C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#04210C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04210C

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04210C	#FFFFFF	#000000	##FFFFFF
##04210C	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0A

Deuteranopia (green-blind)

#1E1B0D

Tritanopia (blue-blind)

#00201C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #04210c;
/* rgb */ color: rgb(4, 33, 12);
/* oklch */ color: oklch(21.9% 0.053 149.7);

Tailwind

colors: {
  custom: {
    50: '#485c4c',
    500: '#04210c',
    950: '#000000',
  },
}

SCSS

$custom: #04210c;
$custom-light: #485c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#04210c",
  "rgb": {
    "r": 4,
    "g": 33,
    "b": 12
  },
  "hsl": {
    "h": 136.552,
    "s": 78.378,
    "l": 7.255
  },
  "oklch": {
    "l": 0.21928,
    "c": 0.05342,
    "h": 149.7
  },
  "luminance": 0.0114
}

Semantic roles & 50–950 ramp

primary

#04210C

secondary

#641D50

accent

#33BFF5

background

#F4F5F4

surface

#E6E9E7

border

#C2C5C3

text

#000401

muted

#777977

Preview Lab

Preview with #04210C

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

Preview Lab → · Contrast checker → · Palette generator →