#40491B#40491B

#40491B is a dark, moderate yellow-green. Relative luminance 0.059; OKLCH L 38.6% C 0.069 H 119.0°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#40491B
RGB	rgb(64, 73, 27)
HSL	hsl(72, 46%, 20%)
HSV	hsv(72, 63%, 29%)
CMYK	cmyk(12.3%, 0%, 63%, 71.4%)
CIE-LAB	lab(29.25, -11.57, 25.82)
CIE-LCH	lch(29.25, 28.29, 114.14°)
OKLab	oklab(38.61% -0.0333 0.0601)
OKLCH	oklch(38.61% 0.069 119)
XYZ	xyz(4.6948, 5.9342, 1.9348)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40491B #241B49

analogous

#493B1B #40491B #29491B

triadic

#40491B #1B4049 #491B40

tetradic

#40491B #1B493B #241B49 #491B29

square

#40491B #1B493B #241B49 #491B29

split-complementary

#40491B #1B2949 #3B1B49

monochromatic

#141608 #191C0A #40491B #67762C #8EA23C

Accessibility & contrast

On white

9.60

#40491B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#40491B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40491B

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40491B	#FFFFFF	#000000	##FFFFFF
##40491B	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4516

Deuteranopia (green-blind)

#4D451E

Tritanopia (blue-blind)

#44453F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40491b;
/* rgb */ color: rgb(64, 73, 27);
/* oklch */ color: oklch(38.6% 0.069 119.0);

Tailwind

colors: {
  custom: {
    50: '#767b59',
    500: '#40491b',
    950: '#000000',
  },
}

SCSS

$custom: #40491b;
$custom-light: #767b59;
$custom-dark: #000000;

JSON

{
  "hex": "#40491b",
  "rgb": {
    "r": 64,
    "g": 73,
    "b": 27
  },
  "hsl": {
    "h": 71.739,
    "s": 46,
    "l": 19.608
  },
  "oklch": {
    "l": 0.38605,
    "c": 0.06872,
    "h": 119
  },
  "luminance": 0.05934
}

Semantic roles & 50–950 ramp

primary

#40491B

secondary

#4D417F

accent

#52D66C

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080903

muted

#7B7B78

Preview Lab

Preview with #40491B

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

Preview Lab → · Contrast checker → · Palette generator →