#40561B#40561B

#40561B is a dark, moderate yellow-green. Relative luminance 0.078; OKLCH L 42.1% C 0.088 H 127.2°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#40561B
RGB	rgb(64, 86, 27)
HSL	hsl(82, 52%, 22%)
HSV	hsv(82, 69%, 34%)
CMYK	cmyk(25.6%, 0%, 68.6%, 66.3%)
CIE-LAB	lab(33.61, -18.84, 30.66)
CIE-LCH	lch(33.61, 35.98, 121.56°)
OKLab	oklab(42.13% -0.0535 0.0704)
OKLCH	oklch(42.13% 0.088 127.2)
XYZ	xyz(5.6400, 7.8246, 2.2499)
Luminance	0.0783 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40561B #311B56

analogous

#564F1B #40561B #23561B

triadic

#40561B #1B4056 #561B40

tetradic

#40561B #1B564F #311B56 #561B23

square

#40561B #1B564F #311B56 #561B23

split-complementary

#40561B #1B2356 #4F1B56

monochromatic

#111707 #1D270C #40561B #63852A #85B338

Accessibility & contrast

On white

8.19

#40561B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#40561B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40561B

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40561B	#FFFFFF	#000000	##FFFFFF
##40561B	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5014

Deuteranopia (green-blind)

#574F1F

Tritanopia (blue-blind)

#42524A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #40561b;
/* rgb */ color: rgb(64, 86, 27);
/* oklch */ color: oklch(42.1% 0.088 127.2);

Tailwind

colors: {
  custom: {
    50: '#77855a',
    500: '#40561b',
    950: '#000000',
  },
}

SCSS

$custom: #40561b;
$custom-light: #77855a;
$custom-dark: #000000;

JSON

{
  "hex": "#40561b",
  "rgb": {
    "r": 64,
    "g": 86,
    "b": 27
  },
  "hsl": {
    "h": 82.373,
    "s": 52.212,
    "l": 22.157
  },
  "oklch": {
    "l": 0.42128,
    "c": 0.08844,
    "h": 127.2
  },
  "luminance": 0.07825
}

Semantic roles & 50–950 ramp

primary

#40561B

secondary

#5D418C

accent

#4CDC82

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #40561B

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

Preview Lab → · Contrast checker → · Palette generator →