#405E1B#405E1B

#405E1B is a dark, moderate yellow-green. Relative luminance 0.092; OKLCH L 44.3% C 0.100 H 130.3°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#405E1B
RGB	rgb(64, 94, 27)
HSL	hsl(87, 55%, 24%)
HSV	hsv(87, 71%, 37%)
CMYK	cmyk(31.9%, 0%, 71.3%, 63.1%)
CIE-LAB	lab(36.32, -23.00, 33.55)
CIE-LCH	lch(36.32, 40.68, 124.43°)
OKLab	oklab(44.32% -0.065 0.0765)
OKLCH	oklch(44.32% 0.1 130.3)
XYZ	xyz(6.3148, 9.1743, 2.4748)
Luminance	0.0917 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405E1B #391B5E

analogous

#5E5A1B #405E1B #1E5E1B

triadic

#405E1B #1B405E #5E1B40

tetradic

#405E1B #1B5E5A #391B5E #5E1B1E

square

#405E1B #1B5E5A #391B5E #5E1B1E

split-complementary

#405E1B #1B1E5E #5A1B5E

monochromatic

#101807 #202E0D #405E1B #608E29 #81BD36

Accessibility & contrast

On white

7.41

#405E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#405E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405E1B

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405E1B	#FFFFFF	#000000	##FFFFFF
##405E1B	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625712

Deuteranopia (green-blind)

#5E5520

Tritanopia (blue-blind)

#425A50

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #405e1b;
/* rgb */ color: rgb(64, 94, 27);
/* oklch */ color: oklch(44.3% 0.100 130.3);

Tailwind

colors: {
  custom: {
    50: '#778c5b',
    500: '#405e1b',
    950: '#000000',
  },
}

SCSS

$custom: #405e1b;
$custom-light: #778c5b;
$custom-dark: #000000;

JSON

{
  "hex": "#405e1b",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 27
  },
  "hsl": {
    "h": 86.866,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.44322,
    "c": 0.10036,
    "h": 130.3
  },
  "luminance": 0.09175
}

Semantic roles & 50–950 ramp

primary

#405E1B

secondary

#664194

accent

#49DF8C

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #405E1B

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

Preview Lab → · Contrast checker → · Palette generator →