#40540D#40540D

#40540D is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.5% C 0.096 H 124.7°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#40540D
RGB	rgb(64, 84, 13)
HSL	hsl(77, 73%, 19%)
HSV	hsv(77, 85%, 33%)
CMYK	cmyk(23.8%, 0%, 84.5%, 67.1%)
CIE-LAB	lab(32.83, -18.77, 35.84)
CIE-LCH	lch(32.83, 40.46, 117.64°)
OKLab	oklab(41.46% -0.0547 0.0789)
OKLCH	oklch(41.46% 0.096 124.7)
XYZ	xyz(5.3574, 7.4596, 1.5383)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40540D #210D54

analogous

#54450D #40540D #1D540D

triadic

#40540D #0D4054 #540D40

tetradic

#40540D #0D5445 #210D54 #540D1D

square

#40540D #0D5445 #210D54 #540D1D

split-complementary

#40540D #0D1D54 #450D54

monochromatic

#141A04 #181F05 #40540D #688915 #91BE1D

Accessibility & contrast

On white

8.43

#40540D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#40540D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40540D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40540D	#FFFFFF	#000000	##FFFFFF
##40540D	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E00

Deuteranopia (green-blind)

#574D14

Tritanopia (blue-blind)

#434F47

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40540d;
/* rgb */ color: rgb(64, 84, 13);
/* oklch */ color: oklch(41.5% 0.096 124.7);

Tailwind

colors: {
  custom: {
    50: '#788453',
    500: '#40540d',
    950: '#000000',
  },
}

SCSS

$custom: #40540d;
$custom-light: #788453;
$custom-dark: #000000;

JSON

{
  "hex": "#40540d",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 13
  },
  "hsl": {
    "h": 76.901,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.41459,
    "c": 0.096,
    "h": 124.7
  },
  "luminance": 0.0746
}

Semantic roles & 50–950 ramp

primary

#40540D

secondary

#492E8F

accent

#38F06C

background

#F7F8F4

surface

#EDEFE7

border

#C8CAC3

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #40540D

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

Preview Lab → · Contrast checker → · Palette generator →