#405D1B#405D1B

#405D1B is a dark, moderate yellow-green. Relative luminance 0.090; OKLCH L 44.0% C 0.099 H 130.0°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#405D1B
RGB	rgb(64, 93, 27)
HSL	hsl(86, 55%, 24%)
HSV	hsv(86, 71%, 36%)
CMYK	cmyk(31.2%, 0%, 71%, 63.5%)
CIE-LAB	lab(35.98, -22.49, 33.19)
CIE-LCH	lch(35.98, 40.09, 124.12°)
OKLab	oklab(44.05% -0.0636 0.0757)
OKLCH	oklch(44.05% 0.099 130)
XYZ	xyz(6.2265, 8.9976, 2.4454)
Luminance	0.0900 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405D1B #381B5D

analogous

#5D591B #405D1B #1F5D1B

triadic

#405D1B #1B405D #5D1B40

tetradic

#405D1B #1B5D59 #381B5D #5D1B1F

square

#405D1B #1B5D59 #381B5D #5D1B1F

split-complementary

#405D1B #1B1F5D #591B5D

monochromatic

#101807 #1F2E0D #405D1B #618C29 #81BC37

Accessibility & contrast

On white

7.50

#405D1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#405D1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405D1B

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405D1B	#FFFFFF	#000000	##FFFFFF
##405D1B	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615612

Deuteranopia (green-blind)

#5D5420

Tritanopia (blue-blind)

#425950

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #405d1b;
/* rgb */ color: rgb(64, 93, 27);
/* oklch */ color: oklch(44.0% 0.099 130.0);

Tailwind

colors: {
  custom: {
    50: '#778b5b',
    500: '#405d1b',
    950: '#000000',
  },
}

SCSS

$custom: #405d1b;
$custom-light: #778b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#405d1b",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 27
  },
  "hsl": {
    "h": 86.364,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.44047,
    "c": 0.09888,
    "h": 130
  },
  "luminance": 0.08998
}

Semantic roles & 50–950 ramp

primary

#405D1B

secondary

#654193

accent

#49DE8B

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #405D1B

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

Preview Lab → · Contrast checker → · Palette generator →