#40531C#40531C

#40531C is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.3% C 0.083 H 125.9°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#40531C
RGB	rgb(64, 83, 28)
HSL	hsl(81, 50%, 22%)
HSV	hsv(81, 66%, 33%)
CMYK	cmyk(22.9%, 0%, 66.3%, 67.5%)
CIE-LAB	lab(32.61, -17.12, 29.07)
CIE-LCH	lch(32.61, 33.73, 120.50°)
OKLab	oklab(41.32% -0.0487 0.0672)
OKLCH	oklch(41.32% 0.083 125.9)
XYZ	xyz(5.4172, 7.3603, 2.2337)
Luminance	0.0736 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40531C #2F1C53

analogous

#534B1C #40531C #25531C

triadic

#40531C #1C4053 #531C40

tetradic

#40531C #1C534B #2F1C53 #531C25

square

#40531C #1C534B #2F1C53 #531C25

split-complementary

#40531C #1C2553 #4B1C53

monochromatic

#121708 #1D250D #40531C #63812B #87AF3B

Accessibility & contrast

On white

8.50

#40531C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#40531C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40531C

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40531C	#FFFFFF	#000000	##FFFFFF
##40531C	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D16

Deuteranopia (green-blind)

#554C20

Tritanopia (blue-blind)

#434F47

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #40531c;
/* rgb */ color: rgb(64, 83, 28);
/* oklch */ color: oklch(41.3% 0.083 125.9);

Tailwind

colors: {
  custom: {
    50: '#77835b',
    500: '#40531c',
    950: '#000000',
  },
}

SCSS

$custom: #40531c;
$custom-light: #77835b;
$custom-dark: #000000;

JSON

{
  "hex": "#40531c",
  "rgb": {
    "r": 64,
    "g": 83,
    "b": 28
  },
  "hsl": {
    "h": 80.727,
    "s": 49.55,
    "l": 21.765
  },
  "oklch": {
    "l": 0.41322,
    "c": 0.08295,
    "h": 125.9
  },
  "luminance": 0.0736
}

Semantic roles & 50–950 ramp

primary

#40531C

secondary

#5B4289

accent

#4FD97F

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #40531C

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

Preview Lab → · Contrast checker → · Palette generator →