#40811F#40811F

#40811F is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.0% C 0.146 H 137.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#40811F
RGB	rgb(64, 129, 31)
HSL	hsl(100, 61%, 31%)
HSV	hsv(100, 76%, 51%)
CMYK	cmyk(50.4%, 0%, 76%, 49.4%)
CIE-LAB	lab(48.12, -38.68, 43.97)
CIE-LCH	lch(48.12, 58.56, 131.34°)
OKLab	oklab(53.99% -0.1072 0.0989)
OKLCH	oklch(53.99% 0.146 137.3)
XYZ	xyz(10.2116, 16.8887, 4.0178)
Luminance	0.1689 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40811F #601F81

analogous

#71811F #40811F #1F812F

triadic

#40811F #1F4081 #811F40

tetradic

#40811F #1F7181 #601F81 #812F1F

square

#40811F #1F7181 #601F81 #812F1F

split-complementary

#40811F #2F1F81 #811F71

monochromatic

#0F1E07 #285013 #40811F #58B22B #76D347

Accessibility & contrast

On white

4.80

#40811F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#40811F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40811F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40811F	#FFFFFF	#000000	##FFFFFF
##40811F	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85760C

Deuteranopia (green-blind)

#7D7029

Tritanopia (blue-blind)

#3C7C6E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #40811f;
/* rgb */ color: rgb(64, 129, 31);
/* oklch */ color: oklch(54.0% 0.146 137.3);

Tailwind

colors: {
  custom: {
    50: '#7ca662',
    500: '#40811f',
    950: '#000000',
  },
}

SCSS

$custom: #40811f;
$custom-light: #7ca662;
$custom-dark: #000000;

JSON

{
  "hex": "#40811f",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 31
  },
  "hsl": {
    "h": 99.796,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.53987,
    "c": 0.14587,
    "h": 137.3
  },
  "luminance": 0.16889
}

Semantic roles & 50–950 ramp

primary

#40811F

secondary

#9048B4

accent

#43E4AE

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #40811F

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

Preview Lab → · Contrast checker → · Palette generator →