#405B11#405B11

#405B11 is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.4% C 0.103 H 128.1°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#405B11
RGB	rgb(64, 91, 17)
HSL	hsl(82, 69%, 21%)
HSV	hsv(82, 81%, 36%)
CMYK	cmyk(29.7%, 0%, 81.3%, 64.3%)
CIE-LAB	lab(35.23, -22.20, 36.64)
CIE-LCH	lch(35.23, 42.84, 121.21°)
OKLab	oklab(43.41% -0.0637 0.0813)
OKLCH	oklch(43.41% 0.103 128.1)
XYZ	xyz(5.9566, 8.6125, 1.8788)
Luminance	0.0861 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B11 #2C115B

analogous

#5B5111 #405B11 #1B5B11

triadic

#405B11 #11405B #5B1140

tetradic

#405B11 #115B51 #2C115B #5B111B

square

#405B11 #115B51 #2C115B #5B111B

split-complementary

#405B11 #111B5B #51115B

monochromatic

#121A05 #1C2707 #405B11 #648F1B #89C224

Accessibility & contrast

On white

7.71

#405B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#405B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405B11

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B11	#FFFFFF	#000000	##FFFFFF
##405B11	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605402

Deuteranopia (green-blind)

#5C5218

Tritanopia (blue-blind)

#43574D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405b11;
/* rgb */ color: rgb(64, 91, 17);
/* oklch */ color: oklch(43.4% 0.103 128.1);

Tailwind

colors: {
  custom: {
    50: '#788956',
    500: '#405b11',
    950: '#000000',
  },
}

SCSS

$custom: #405b11;
$custom-light: #788956;
$custom-dark: #000000;

JSON

{
  "hex": "#405b11",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 17
  },
  "hsl": {
    "h": 81.892,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.43411,
    "c": 0.10328,
    "h": 128.1
  },
  "luminance": 0.08613
}

Semantic roles & 50–950 ramp

primary

#405B11

secondary

#573494

accent

#3CEB7C

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #405B11

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

Preview Lab → · Contrast checker → · Palette generator →