#121C04#121C04

#121C04 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.0% C 0.046 H 128.1°. Best body text is #FFFFFF at 17.59:1 contrast (WCAG AA passes).

Color values

HEX	#121C04
RGB	rgb(18, 28, 4)
HSL	hsl(85, 75%, 6%)
HSV	hsv(85, 86%, 11%)
CMYK	cmyk(35.7%, 0%, 85.7%, 89%)
CIE-LAB	lab(8.72, -9.47, 11.24)
CIE-LCH	lch(8.72, 14.69, 130.10°)
OKLab	oklab(20.97% -0.0281 0.0359)
OKLCH	oklch(20.97% 0.046 128.1)
XYZ	xyz(0.6866, 0.9679, 0.2655)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C04 #0E041C

analogous

#1C1A04 #121C04 #061C04

triadic

#121C04 #04121C #1C0412

tetradic

#121C04 #041C1A #0E041C #1C0406

square

#121C04 #041C1A #0E041C #1C0406

split-complementary

#121C04 #04061C #1A041C

monochromatic

#111B04 #111B04 #121C04 #34520C #578713

Accessibility & contrast

On white

17.59

#121C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#121C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C04

17.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C04	#FFFFFF	#000000	##FFFFFF
##121C04	1.00	17.59	1.19	17.59
#FFFFFF	17.59	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1902

Deuteranopia (green-blind)

#1C1905

Tritanopia (blue-blind)

#131A17

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #121c04;
/* rgb */ color: rgb(18, 28, 4);
/* oklch */ color: oklch(21.0% 0.046 128.1);

Tailwind

colors: {
  custom: {
    50: '#4f5848',
    500: '#121c04',
    950: '#000000',
  },
}

SCSS

$custom: #121c04;
$custom-light: #4f5848;
$custom-dark: #000000;

JSON

{
  "hex": "#121c04",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 4
  },
  "hsl": {
    "h": 85,
    "s": 75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.20974,
    "c": 0.04556,
    "h": 128.1
  },
  "luminance": 0.00968
}

Semantic roles & 50–950 ramp

primary

#121C04

secondary

#381D5E

accent

#36F284

background

#F4F5F4

surface

#E7E9E6

border

#C3C5C2

text

#020300

muted

#787877

Preview Lab

Preview with #121C04

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

Preview Lab → · Contrast checker → · Palette generator →