#405B18#405B18

#405B18 is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.5% C 0.098 H 128.9°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#405B18
RGB	rgb(64, 91, 24)
HSL	hsl(84, 58%, 23%)
HSV	hsv(84, 74%, 36%)
CMYK	cmyk(29.7%, 0%, 73.6%, 64.3%)
CIE-LAB	lab(35.28, -21.71, 33.82)
CIE-LCH	lch(35.28, 40.19, 122.70°)
OKLab	oklab(43.47% -0.0617 0.0766)
OKLCH	oklch(43.47% 0.098 128.9)
XYZ	xyz(6.0203, 8.6380, 2.2141)
Luminance	0.0864 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B18 #33185B

analogous

#5B5418 #405B18 #1F5B18

triadic

#405B18 #18405B #5B1840

tetradic

#405B18 #185B54 #33185B #5B181F

square

#405B18 #185B54 #33185B #5B181F

split-complementary

#405B18 #181F5B #54185B

monochromatic

#111806 #1E2B0B #405B18 #628B25 #84BC32

Accessibility & contrast

On white

7.70

#405B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#405B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405B18

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B18	#FFFFFF	#000000	##FFFFFF
##405B18	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60540E

Deuteranopia (green-blind)

#5C521E

Tritanopia (blue-blind)

#42574E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405b18;
/* rgb */ color: rgb(64, 91, 24);
/* oklch */ color: oklch(43.5% 0.098 128.9);

Tailwind

colors: {
  custom: {
    50: '#778959',
    500: '#405b18',
    950: '#000000',
  },
}

SCSS

$custom: #405b18;
$custom-light: #778959;
$custom-dark: #000000;

JSON

{
  "hex": "#405b18",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 84.179,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43468,
    "c": 0.09837,
    "h": 128.9
  },
  "luminance": 0.08638
}

Semantic roles & 50–950 ramp

primary

#405B18

secondary

#5F3D92

accent

#46E185

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #405B18

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

Preview Lab → · Contrast checker → · Palette generator →