#3F8C13#3F8C13

#3F8C13 is a mid, vivid yellow-green. Relative luminance 0.199; OKLCH L 56.9% C 0.166 H 137.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F8C13
RGB	rgb(63, 140, 19)
HSL	hsl(98, 76%, 31%)
HSV	hsv(98, 86%, 55%)
CMYK	cmyk(55%, 0%, 86.4%, 45.1%)
CIE-LAB	lab(51.68, -44.09, 51.09)
CIE-LCH	lch(51.68, 67.49, 130.79°)
OKLab	oklab(56.89% -0.1224 0.1121)
OKLCH	oklch(56.89% 0.166 137.5)
XYZ	xyz(11.5451, 19.8590, 3.8408)
Luminance	0.1986 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8C13 #60138C

analogous

#7B8C13 #3F8C13 #138C23

triadic

#3F8C13 #133F8C #8C133F

tetradic

#3F8C13 #137B8C #60138C #8C2313

square

#3F8C13 #137B8C #60138C #8C2313

split-complementary

#3F8C13 #23138C #8C137B

monochromatic

#0F2004 #27560C #3F8C13 #57C21A #75E436

Accessibility & contrast

On white

4.22

#3F8C13 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3F8C13 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8C13

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8C13	#FFFFFF	#000000	##000000
##3F8C13	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#877923

Tritanopia (blue-blind)

#398777

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f8c13;
/* rgb */ color: rgb(63, 140, 19);
/* oklch */ color: oklch(56.9% 0.166 137.5);

Tailwind

colors: {
  custom: {
    50: '#7dae5e',
    500: '#3f8c13',
    950: '#000000',
  },
}

SCSS

$custom: #3f8c13;
$custom-light: #7dae5e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8c13",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 19
  },
  "hsl": {
    "h": 98.182,
    "s": 76.101,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56887,
    "c": 0.16592,
    "h": 137.5
  },
  "luminance": 0.1986
}

Semantic roles & 50–950 ramp

primary

#3F8C13

secondary

#903BC0

accent

#35F3AE

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #3F8C13

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

Preview Lab → · Contrast checker → · Palette generator →