#305B18#305B18

#305B18 is a dark, moderate yellow-green. Relative luminance 0.082; OKLCH L 42.5% C 0.108 H 136.4°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#305B18
RGB	rgb(48, 91, 24)
HSL	hsl(99, 58%, 23%)
HSV	hsv(99, 74%, 36%)
CMYK	cmyk(47.3%, 0%, 73.6%, 64.3%)
CIE-LAB	lab(34.35, -28.12, 32.56)
CIE-LCH	lch(34.35, 43.03, 130.81°)
OKLab	oklab(42.46% -0.078 0.0742)
OKLCH	oklch(42.46% 0.108 136.4)
XYZ	xyz(5.1247, 8.1762, 2.1721)
Luminance	0.0818 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305B18 #43185B

analogous

#525B18 #305B18 #185B21

triadic

#305B18 #18305B #5B1830

tetradic

#305B18 #18525B #43185B #5B2118

square

#305B18 #18525B #43185B #5B2118

split-complementary

#305B18 #21185B #5B1852

monochromatic

#0D1806 #162B0B #305B18 #4A8B25 #63BC32

Accessibility & contrast

On white

7.97

#305B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#305B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #305B18

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305B18	#FFFFFF	#000000	##FFFFFF
##305B18	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E530E

Deuteranopia (green-blind)

#594F1E

Tritanopia (blue-blind)

#2E574E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #305b18;
/* rgb */ color: rgb(48, 91, 24);
/* oklch */ color: oklch(42.5% 0.108 136.4);

Tailwind

colors: {
  custom: {
    50: '#6d8a59',
    500: '#305b18',
    950: '#000000',
  },
}

SCSS

$custom: #305b18;
$custom-light: #6d8a59;
$custom-dark: #000000;

JSON

{
  "hex": "#305b18",
  "rgb": {
    "r": 48,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 98.507,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.4246,
    "c": 0.1077,
    "h": 136.4
  },
  "luminance": 0.08176
}

Semantic roles & 50–950 ramp

primary

#305B18

secondary

#733D92

accent

#46E1AA

background

#F6F8F5

surface

#ECF0E9

border

#C7CBC5

text

#070B04

muted

#7A7C79

Preview Lab

Preview with #305B18

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

Preview Lab → · Contrast checker → · Palette generator →