#121F03#121F03

#121F03 is a very dark, muted yellow-green. Relative luminance 0.011; OKLCH L 21.9% C 0.052 H 130.1°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#121F03
RGB	rgb(18, 31, 3)
HSL	hsl(88, 82%, 7%)
HSV	hsv(88, 90%, 12%)
CMYK	cmyk(41.9%, 0%, 90.3%, 87.8%)
CIE-LAB	lab(9.92, -11.78, 13.36)
CIE-LCH	lch(9.92, 17.81, 131.40°)
OKLab	oklab(21.94% -0.0338 0.0401)
OKLCH	oklch(21.94% 0.052 130.1)
XYZ	xyz(0.7559, 1.1151, 0.2615)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F03 #10031F

analogous

#1F1E03 #121F03 #041F03

triadic

#121F03 #03121F #1F0312

tetradic

#121F03 #031F1E #10031F #1F0304

square

#121F03 #031F1E #10031F #1F0304

split-complementary

#121F03 #03041F #1E031F

monochromatic

#101C03 #101C03 #121F03 #325708 #538F0E

Accessibility & contrast

On white

17.17

#121F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#121F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F03

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F03	#FFFFFF	#000000	##FFFFFF
##121F03	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211C01

Deuteranopia (green-blind)

#1F1B05

Tritanopia (blue-blind)

#131D19

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121f03;
/* rgb */ color: rgb(18, 31, 3);
/* oklch */ color: oklch(21.9% 0.052 130.1);

Tailwind

colors: {
  custom: {
    50: '#4f5a48',
    500: '#121f03',
    950: '#000000',
  },
}

SCSS

$custom: #121f03;
$custom-light: #4f5a48;
$custom-dark: #000000;

JSON

{
  "hex": "#121f03",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 3
  },
  "hsl": {
    "h": 87.857,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.21939,
    "c": 0.05246,
    "h": 130.1
  },
  "luminance": 0.01115
}

Semantic roles & 50–950 ramp

primary

#121F03

secondary

#3C1B63

accent

#2FF98D

background

#F4F5F4

surface

#E7E9E6

border

#C3C5C2

text

#020400

muted

#787977

Preview Lab

Preview with #121F03

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

Preview Lab → · Contrast checker → · Palette generator →