#121C05#121C05

#121C05 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.0% C 0.044 H 128.8°. Best body text is #FFFFFF at 17.59:1 contrast (WCAG AA passes).

Color values

HEX	#121C05
RGB	rgb(18, 28, 5)
HSL	hsl(86, 70%, 6%)
HSV	hsv(86, 82%, 11%)
CMYK	cmyk(35.7%, 0%, 82.1%, 89%)
CIE-LAB	lab(8.74, -9.32, 10.86)
CIE-LCH	lch(8.74, 14.31, 130.63°)
OKLab	oklab(21% -0.0274 0.0342)
OKLCH	oklch(21% 0.044 128.8)
XYZ	xyz(0.6921, 0.9700, 0.2943)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C05 #0F051C

analogous

#1C1B05 #121C05 #071C05

triadic

#121C05 #05121C #1C0512

tetradic

#121C05 #051C1B #0F051C #1C0507

square

#121C05 #051C1B #0F051C #1C0507

split-complementary

#121C05 #05071C #1B051C

monochromatic

#111A05 #111A05 #121C05 #33500E #558418

Accessibility & contrast

On white

17.59

#121C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#121C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C05

17.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C05	#FFFFFF	#000000	##FFFFFF
##121C05	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)

#1E1903

Deuteranopia (green-blind)

#1C1906

Tritanopia (blue-blind)

#131A17

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #121c05;
/* rgb */ color: rgb(18, 28, 5);
/* oklch */ color: oklch(21.0% 0.044 128.8);

Tailwind

colors: {
  custom: {
    50: '#4f5849',
    500: '#121c05',
    950: '#000000',
  },
}

SCSS

$custom: #121c05;
$custom-light: #4f5849;
$custom-dark: #000000;

JSON

{
  "hex": "#121c05",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 5
  },
  "hsl": {
    "h": 86.087,
    "s": 69.697,
    "l": 6.471
  },
  "oklch": {
    "l": 0.20995,
    "c": 0.04385,
    "h": 128.8
  },
  "luminance": 0.0097
}

Semantic roles & 50–950 ramp

primary

#121C05

secondary

#3A205D

accent

#3BED88

background

#F4F5F4

surface

#E7E9E6

border

#C3C5C2

text

#020300

muted

#787877

Preview Lab

Preview with #121C05

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

Preview Lab → · Contrast checker → · Palette generator →