#40540F#40540F

#40540F is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.5% C 0.095 H 124.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#40540F
RGB	rgb(64, 84, 15)
HSL	hsl(77, 70%, 19%)
HSV	hsv(77, 82%, 33%)
CMYK	cmyk(23.8%, 0%, 82.1%, 67.1%)
CIE-LAB	lab(32.84, -18.66, 35.13)
CIE-LCH	lch(32.84, 39.77, 117.98°)
OKLab	oklab(41.47% -0.0542 0.0778)
OKLCH	oklch(41.47% 0.095 124.9)
XYZ	xyz(5.3709, 7.4651, 1.6098)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40540F #230F54

analogous

#54460F #40540F #1E540F

triadic

#40540F #0F4054 #540F40

tetradic

#40540F #0F5446 #230F54 #540F1E

square

#40540F #0F5446 #230F54 #540F1E

split-complementary

#40540F #0F1E54 #460F54

monochromatic

#141A05 #182006 #40540F #688818 #8FBC22

Accessibility & contrast

On white

8.42

#40540F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#40540F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40540F

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40540F	#FFFFFF	#000000	##FFFFFF
##40540F	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E02

Deuteranopia (green-blind)

#564D16

Tritanopia (blue-blind)

#435047

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40540f;
/* rgb */ color: rgb(64, 84, 15);
/* oklch */ color: oklch(41.5% 0.095 124.9);

Tailwind

colors: {
  custom: {
    50: '#778454',
    500: '#40540f',
    950: '#000000',
  },
}

SCSS

$custom: #40540f;
$custom-light: #778454;
$custom-dark: #000000;

JSON

{
  "hex": "#40540f",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 15
  },
  "hsl": {
    "h": 77.391,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.41473,
    "c": 0.09479,
    "h": 124.9
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#40540F

secondary

#4C318E

accent

#3BED6F

background

#F7F8F5

surface

#EDEFE8

border

#C8CAC4

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #40540F

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

Preview Lab → · Contrast checker → · Palette generator →