#40841B#40841B

#40841B is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 54.8% C 0.152 H 137.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#40841B
RGB	rgb(64, 132, 27)
HSL	hsl(99, 66%, 31%)
HSV	hsv(99, 80%, 52%)
CMYK	cmyk(51.5%, 0%, 79.5%, 48.2%)
CIE-LAB	lab(49.09, -40.19, 46.36)
CIE-LCH	lch(49.09, 61.35, 130.92°)
OKLab	oklab(54.78% -0.1115 0.1033)
OKLCH	oklch(54.78% 0.152 137.2)
XYZ	xyz(10.5631, 17.6709, 3.8909)
Luminance	0.1767 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40841B #5F1B84

analogous

#74841B #40841B #1B842A

triadic

#40841B #1B4084 #841B40

tetradic

#40841B #1B7484 #5F1B84 #842A1B

square

#40841B #1B7484 #5F1B84 #842A1B

split-complementary

#40841B #2A1B84 #841B74

monochromatic

#0F1E06 #275111 #40841B #59B725 #76D841

Accessibility & contrast

On white

4.63

#40841B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#40841B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #40841B

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40841B	#FFFFFF	#000000	##FFFFFF
##40841B	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#897801

Deuteranopia (green-blind)

#807327

Tritanopia (blue-blind)

#3C7F70

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #40841b;
/* rgb */ color: rgb(64, 132, 27);
/* oklch */ color: oklch(54.8% 0.152 137.2);

Tailwind

colors: {
  custom: {
    50: '#7ca860',
    500: '#40841b',
    950: '#000000',
  },
}

SCSS

$custom: #40841b;
$custom-light: #7ca860;
$custom-dark: #000000;

JSON

{
  "hex": "#40841b",
  "rgb": {
    "r": 64,
    "g": 132,
    "b": 27
  },
  "hsl": {
    "h": 98.857,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54782,
    "c": 0.15202,
    "h": 137.2
  },
  "luminance": 0.17672
}

Semantic roles & 50–950 ramp

primary

#40841B

secondary

#8F43B7

accent

#3FE9AD

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #40841B

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

Preview Lab → · Contrast checker → · Palette generator →