#40591A#40591A

#40591A is a dark, moderate yellow-green. Relative luminance 0.083; OKLCH L 42.9% C 0.094 H 128.4°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#40591A
RGB	rgb(64, 89, 26)
HSL	hsl(84, 55%, 23%)
HSV	hsv(84, 71%, 35%)
CMYK	cmyk(28.1%, 0%, 70.8%, 65.1%)
CIE-LAB	lab(34.62, -20.51, 32.22)
CIE-LCH	lch(34.62, 38.19, 122.48°)
OKLab	oklab(42.94% -0.0582 0.0735)
OKLCH	oklch(42.94% 0.094 128.4)
XYZ	xyz(5.8732, 8.3092, 2.2715)
Luminance	0.0831 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40591A #331A59

analogous

#59531A #40591A #20591A

triadic

#40591A #1A4059 #591A40

tetradic

#40591A #1A5953 #331A59 #591A20

square

#40591A #1A5953 #331A59 #591A20

split-complementary

#40591A #1A2059 #531A59

monochromatic

#111807 #1E2A0C #40591A #628828 #84B836

Accessibility & contrast

On white

7.89

#40591A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#40591A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40591A

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40591A	#FFFFFF	#000000	##FFFFFF
##40591A	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5312

Deuteranopia (green-blind)

#5A511F

Tritanopia (blue-blind)

#42554C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #40591a;
/* rgb */ color: rgb(64, 89, 26);
/* oklch */ color: oklch(42.9% 0.094 128.4);

Tailwind

colors: {
  custom: {
    50: '#77885a',
    500: '#40591a',
    950: '#000000',
  },
}

SCSS

$custom: #40591a;
$custom-light: #77885a;
$custom-dark: #000000;

JSON

{
  "hex": "#40591a",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 26
  },
  "hsl": {
    "h": 83.81,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42939,
    "c": 0.0938,
    "h": 128.4
  },
  "luminance": 0.08309
}

Semantic roles & 50–950 ramp

primary

#40591A

secondary

#5F408F

accent

#4ADE85

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #40591A

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

Preview Lab → · Contrast checker → · Palette generator →