#40641B#40641B

#40641B is a mid, moderate yellow-green. Relative luminance 0.103; OKLCH L 46.0% C 0.109 H 132.1°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#40641B
RGB	rgb(64, 100, 27)
HSL	hsl(90, 57%, 25%)
HSV	hsv(90, 73%, 39%)
CMYK	cmyk(36%, 0%, 73%, 60.8%)
CIE-LAB	lab(38.35, -25.98, 35.67)
CIE-LCH	lch(38.35, 44.13, 126.07°)
OKLab	oklab(45.97% -0.0731 0.0809)
OKLCH	oklch(45.97% 0.109 132.1)
XYZ	xyz(6.8693, 10.2832, 2.6596)
Luminance	0.1028 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40641B #3F1B64

analogous

#64631B #40641B #1C641B

triadic

#40641B #1B4064 #641B40

tetradic

#40641B #1B6463 #3F1B64 #641B1C

square

#40641B #1B6463 #3F1B64 #641B1C

split-complementary

#40641B #1B1C64 #631B64

monochromatic

#0F1807 #21340E #40641B #5F9428 #7EC435

Accessibility & contrast

On white

6.87

#40641B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#40641B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40641B

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40641B	#FFFFFF	#000000	##FFFFFF
##40641B	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685C10

Deuteranopia (green-blind)

#635921

Tritanopia (blue-blind)

#416055

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #40641b;
/* rgb */ color: rgb(64, 100, 27);
/* oklch */ color: oklch(46.0% 0.109 132.1);

Tailwind

colors: {
  custom: {
    50: '#78905c',
    500: '#40641b',
    950: '#000000',
  },
}

SCSS

$custom: #40641b;
$custom-light: #78905c;
$custom-dark: #000000;

JSON

{
  "hex": "#40641b",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 27
  },
  "hsl": {
    "h": 89.589,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.45973,
    "c": 0.10907,
    "h": 132.1
  },
  "luminance": 0.10283
}

Semantic roles & 50–950 ramp

primary

#40641B

secondary

#6D4199

accent

#47E193

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #40641B

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

Preview Lab → · Contrast checker → · Palette generator →