#405C18#405C18

#405C18 is a dark, moderate yellow-green. Relative luminance 0.088; OKLCH L 43.7% C 0.100 H 129.2°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#405C18
RGB	rgb(64, 92, 24)
HSL	hsl(85, 59%, 23%)
HSV	hsv(85, 74%, 36%)
CMYK	cmyk(30.4%, 0%, 73.9%, 63.9%)
CIE-LAB	lab(35.62, -22.23, 34.17)
CIE-LCH	lch(35.62, 40.76, 123.05°)
OKLab	oklab(43.74% -0.0631 0.0773)
OKLCH	oklch(43.74% 0.1 129.2)
XYZ	xyz(6.1063, 8.8101, 2.2428)
Luminance	0.0881 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405C18 #34185C

analogous

#5C5618 #405C18 #1E5C18

triadic

#405C18 #18405C #5C1840

tetradic

#405C18 #185C56 #34185C #5C181E

square

#405C18 #185C56 #34185C #5C181E

split-complementary

#405C18 #181E5C #56185C

monochromatic

#111806 #1E2B0B #405C18 #628D25 #84BD31

Accessibility & contrast

On white

7.60

#405C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#405C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405C18

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405C18	#FFFFFF	#000000	##FFFFFF
##405C18	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61550E

Deuteranopia (green-blind)

#5D531E

Tritanopia (blue-blind)

#42584E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #405c18;
/* rgb */ color: rgb(64, 92, 24);
/* oklch */ color: oklch(43.7% 0.100 129.2);

Tailwind

colors: {
  custom: {
    50: '#778a59',
    500: '#405c18',
    950: '#000000',
  },
}

SCSS

$custom: #405c18;
$custom-light: #778a59;
$custom-dark: #000000;

JSON

{
  "hex": "#405c18",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 24
  },
  "hsl": {
    "h": 84.706,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43743,
    "c": 0.09983,
    "h": 129.2
  },
  "luminance": 0.0881
}

Semantic roles & 50–950 ramp

primary

#405C18

secondary

#603D93

accent

#46E286

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #405C18

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

Preview Lab → · Contrast checker → · Palette generator →