#405A18#405A18

#405A18 is a dark, moderate yellow-green. Relative luminance 0.085; OKLCH L 43.2% C 0.097 H 128.5°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#405A18
RGB	rgb(64, 90, 24)
HSL	hsl(84, 58%, 22%)
HSV	hsv(84, 73%, 35%)
CMYK	cmyk(28.9%, 0%, 73.3%, 64.7%)
CIE-LAB	lab(34.94, -21.20, 33.47)
CIE-LCH	lch(34.94, 39.62, 122.35°)
OKLab	oklab(43.19% -0.0603 0.0759)
OKLCH	oklch(43.19% 0.097 128.5)
XYZ	xyz(5.9354, 8.4681, 2.1858)
Luminance	0.0847 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405A18 #32185A

analogous

#5A5318 #405A18 #1F5A18

triadic

#405A18 #18405A #5A1840

tetradic

#405A18 #185A53 #32185A #5A181F

square

#405A18 #185A53 #32185A #5A181F

split-complementary

#405A18 #181F5A #53185A

monochromatic

#111806 #1E2A0B #405A18 #628A25 #85BB32

Accessibility & contrast

On white

7.80

#405A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#405A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405A18

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405A18	#FFFFFF	#000000	##FFFFFF
##405A18	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F530E

Deuteranopia (green-blind)

#5B521E

Tritanopia (blue-blind)

#42564D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #405a18;
/* rgb */ color: rgb(64, 90, 24);
/* oklch */ color: oklch(43.2% 0.097 128.5);

Tailwind

colors: {
  custom: {
    50: '#778859',
    500: '#405a18',
    950: '#000000',
  },
}

SCSS

$custom: #405a18;
$custom-light: #778859;
$custom-dark: #000000;

JSON

{
  "hex": "#405a18",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 24
  },
  "hsl": {
    "h": 83.636,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.43194,
    "c": 0.09691,
    "h": 128.5
  },
  "luminance": 0.08468
}

Semantic roles & 50–950 ramp

primary

#405A18

secondary

#5E3D91

accent

#47E184

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #405A18

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

Preview Lab → · Contrast checker → · Palette generator →