#40501F#40501F

#40501F is a dark, moderate yellow-green. Relative luminance 0.069; OKLCH L 40.5% C 0.075 H 124.8°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#40501F
RGB	rgb(64, 80, 31)
HSL	hsl(80, 44%, 22%)
HSV	hsv(80, 61%, 31%)
CMYK	cmyk(20%, 0%, 61.2%, 68.6%)
CIE-LAB	lab(31.64, -15.16, 26.39)
CIE-LCH	lch(31.64, 30.43, 119.87°)
OKLab	oklab(40.54% -0.0429 0.0618)
OKLCH	oklch(40.54% 0.075 124.8)
XYZ	xyz(5.2303, 6.9262, 2.3574)
Luminance	0.0693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40501F #2F1F50

analogous

#50481F #40501F #28501F

triadic

#40501F #1F4050 #501F40

tetradic

#40501F #1F5048 #2F1F50 #501F28

square

#40501F #1F5048 #2F1F50 #501F28

split-complementary

#40501F #1F2850 #481F50

monochromatic

#121609 #1D240E #40501F #637C30 #87A841

Accessibility & contrast

On white

8.80

#40501F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#40501F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40501F

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40501F	#FFFFFF	#000000	##FFFFFF
##40501F	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1A

Deuteranopia (green-blind)

#524A22

Tritanopia (blue-blind)

#434C45

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #40501f;
/* rgb */ color: rgb(64, 80, 31);
/* oklch */ color: oklch(40.5% 0.075 124.8);

Tailwind

colors: {
  custom: {
    50: '#76815c',
    500: '#40501f',
    950: '#000000',
  },
}

SCSS

$custom: #40501f;
$custom-light: #76815c;
$custom-dark: #000000;

JSON

{
  "hex": "#40501f",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 31
  },
  "hsl": {
    "h": 79.592,
    "s": 44.144,
    "l": 21.765
  },
  "oklch": {
    "l": 0.40545,
    "c": 0.07525,
    "h": 124.8
  },
  "luminance": 0.06926
}

Semantic roles & 50–950 ramp

primary

#40501F

secondary

#5B4685

accent

#54D47E

background

#F7F7F5

surface

#EDEEE9

border

#C8C9C5

text

#080A04

muted

#7B7C79

Preview Lab

Preview with #40501F

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

Preview Lab → · Contrast checker → · Palette generator →