#40771B#40771B

#40771B is a mid, vivid yellow-green. Relative luminance 0.144; OKLCH L 51.2% C 0.135 H 135.7°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#40771B
RGB	rgb(64, 119, 27)
HSL	hsl(96, 63%, 29%)
HSV	hsv(96, 77%, 47%)
CMYK	cmyk(46.2%, 0%, 77.3%, 53.3%)
CIE-LAB	lab(44.75, -34.72, 42.13)
CIE-LCH	lch(44.75, 54.60, 129.49°)
OKLab	oklab(51.21% -0.0968 0.0945)
OKLCH	oklch(51.21% 0.135 135.7)
XYZ	xyz(8.9088, 14.3622, 3.3395)
Luminance	0.1436 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40771B #521B77

analogous

#6E771B #40771B #1B7724

triadic

#40771B #1B4077 #771B40

tetradic

#40771B #1B6E77 #521B77 #77241B

square

#40771B #1B6E77 #521B77 #77241B

split-complementary

#40771B #241B77 #771B6E

monochromatic

#0D1906 #254510 #40771B #5BA926 #77D23A

Accessibility & contrast

On white

5.42

#40771B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#40771B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40771B

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40771B	#FFFFFF	#000000	##FFFFFF
##40771B	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6D08

Deuteranopia (green-blind)

#746824

Tritanopia (blue-blind)

#3E7265

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #40771b;
/* rgb */ color: rgb(64, 119, 27);
/* oklch */ color: oklch(51.2% 0.135 135.7);

Tailwind

colors: {
  custom: {
    50: '#7a9f5e',
    500: '#40771b',
    950: '#000000',
  },
}

SCSS

$custom: #40771b;
$custom-light: #7a9f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#40771b",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 27
  },
  "hsl": {
    "h": 95.87,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.5121,
    "c": 0.13526,
    "h": 135.7
  },
  "luminance": 0.14363
}

Semantic roles & 50–950 ramp

primary

#40771B

secondary

#8142AB

accent

#42E6A4

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #40771B

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

Preview Lab → · Contrast checker → · Palette generator →