#405B23#405B23

#405B23 is a dark, moderate yellow-green. Relative luminance 0.087; OKLCH L 43.6% C 0.088 H 130.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#405B23
RGB	rgb(64, 91, 35)
HSL	hsl(89, 44%, 25%)
HSV	hsv(89, 62%, 36%)
CMYK	cmyk(29.7%, 0%, 61.5%, 64.3%)
CIE-LAB	lab(35.39, -20.67, 28.57)
CIE-LCH	lch(35.39, 35.27, 125.88°)
OKLab	oklab(43.59% -0.0578 0.067)
OKLCH	oklch(43.59% 0.088 130.8)
XYZ	xyz(6.1587, 8.6933, 2.9433)
Luminance	0.0869 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B23 #3E235B

analogous

#5B5A23 #405B23 #245B23

triadic

#405B23 #23405B #5B2340

tetradic

#405B23 #235B5A #3E235B #5B2324

square

#405B23 #235B5A #3E235B #5B2324

split-complementary

#405B23 #23245B #5A235B

monochromatic

#101609 #212F12 #405B23 #5F8734 #7EB345

Accessibility & contrast

On white

7.67

#405B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#405B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405B23

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B23	#FFFFFF	#000000	##FFFFFF
##405B23	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F551D

Deuteranopia (green-blind)

#5B5327

Tritanopia (blue-blind)

#41574F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405b23;
/* rgb */ color: rgb(64, 91, 35);
/* oklch */ color: oklch(43.6% 0.088 130.8);

Tailwind

colors: {
  custom: {
    50: '#778960',
    500: '#405b23',
    950: '#000000',
  },
}

SCSS

$custom: #405b23;
$custom-light: #778960;
$custom-dark: #000000;

JSON

{
  "hex": "#405b23",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 35
  },
  "hsl": {
    "h": 88.929,
    "s": 44.444,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43592,
    "c": 0.08846,
    "h": 130.8
  },
  "luminance": 0.08694
}

Semantic roles & 50–950 ramp

primary

#405B23

secondary

#6C4B8F

accent

#54D492

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B05

muted

#7B7C79

Preview Lab

Preview with #405B23

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

Preview Lab → · Contrast checker → · Palette generator →