#303B0B#303B0B

#303B0B is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 33.1% C 0.070 H 121.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#303B0B
RGB	rgb(48, 59, 11)
HSL	hsl(74, 69%, 14%)
HSV	hsv(74, 81%, 23%)
CMYK	cmyk(18.6%, 0%, 81.4%, 76.9%)
CIE-LAB	lab(22.93, -12.60, 26.72)
CIE-LCH	lch(22.93, 29.54, 115.24°)
OKLab	oklab(33.13% -0.0369 0.0599)
OKLCH	oklch(33.13% 0.07 121.6)
XYZ	xyz(2.8433, 3.7805, 0.8965)
Luminance	0.0378 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303B0B #160B3B

analogous

#3B2E0B #303B0B #183B0B

triadic

#303B0B #0B303B #3B0B30

tetradic

#303B0B #0B3B2E #160B3B #3B0B18

square

#303B0B #0B3B2E #160B3B #3B0B18

split-complementary

#303B0B #0B183B #2E0B3B

monochromatic

#151A05 #151A05 #303B0B #5A6F15 #84A21E

Accessibility & contrast

On white

11.96

#303B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#303B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303B0B

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303B0B	#FFFFFF	#000000	##FFFFFF
##303B0B	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3704

Deuteranopia (green-blind)

#3E370F

Tritanopia (blue-blind)

#333832

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #303b0b;
/* rgb */ color: rgb(48, 59, 11);
/* oklch */ color: oklch(33.1% 0.070 121.6);

Tailwind

colors: {
  custom: {
    50: '#6a704d',
    500: '#303b0b',
    950: '#000000',
  },
}

SCSS

$custom: #303b0b;
$custom-light: #6a704d;
$custom-dark: #000000;

JSON

{
  "hex": "#303b0b",
  "rgb": {
    "r": 48,
    "g": 59,
    "b": 11
  },
  "hsl": {
    "h": 73.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.33132,
    "c": 0.0703,
    "h": 121.6
  },
  "luminance": 0.0378
}

Semantic roles & 50–950 ramp

primary

#303B0B

secondary

#3C2A78

accent

#3CEB64

background

#F6F6F4

surface

#EBECE7

border

#C6C7C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #303B0B

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

Preview Lab → · Contrast checker → · Palette generator →