#3F771F#3F771F

#3F771F is a mid, vivid yellow-green. Relative luminance 0.143; OKLCH L 51.2% C 0.133 H 136.5°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3F771F
RGB	rgb(63, 119, 31)
HSL	hsl(98, 59%, 29%)
HSV	hsv(98, 74%, 47%)
CMYK	cmyk(47.1%, 0%, 73.9%, 53.3%)
CIE-LAB	lab(44.73, -34.77, 40.53)
CIE-LCH	lch(44.73, 53.40, 130.62°)
OKLab	oklab(51.19% -0.0966 0.0917)
OKLCH	oklch(51.19% 0.133 136.5)
XYZ	xyz(8.8938, 14.3488, 3.5970)
Luminance	0.1435 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F771F #571F77

analogous

#6B771F #3F771F #1F772B

triadic

#3F771F #1F3F77 #771F3F

tetradic

#3F771F #1F6B77 #571F77 #772B1F

square

#3F771F #1F6B77 #571F77 #772B1F

split-complementary

#3F771F #2B1F77 #771F6B

monochromatic

#0D1806 #254612 #3F771F #59A82C #75CE43

Accessibility & contrast

On white

5.43

#3F771F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3F771F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F771F

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F771F	#FFFFFF	#000000	##FFFFFF
##3F771F	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6D10

Deuteranopia (green-blind)

#746827

Tritanopia (blue-blind)

#3C7266

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f771f;
/* rgb */ color: rgb(63, 119, 31);
/* oklch */ color: oklch(51.2% 0.133 136.5);

Tailwind

colors: {
  custom: {
    50: '#799f61',
    500: '#3f771f',
    950: '#000000',
  },
}

SCSS

$custom: #3f771f;
$custom-light: #799f61;
$custom-dark: #000000;

JSON

{
  "hex": "#3f771f",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 31
  },
  "hsl": {
    "h": 98.182,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.5119,
    "c": 0.13319,
    "h": 136.5
  },
  "luminance": 0.14349
}

Semantic roles & 50–950 ramp

primary

#3F771F

secondary

#8647AB

accent

#46E2A9

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #3F771F

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

Preview Lab → · Contrast checker → · Palette generator →