#3FA71B#3FA71B

#3FA71B is a light, vivid green. Relative luminance 0.288; OKLCH L 64.3% C 0.194 H 139.6°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3FA71B
RGB	rgb(63, 167, 27)
HSL	hsl(105, 72%, 38%)
HSV	hsv(105, 84%, 65%)
CMYK	cmyk(62.3%, 0%, 83.8%, 34.5%)
CIE-LAB	lab(60.58, -53.63, 57.03)
CIE-LCH	lch(60.58, 78.28, 133.24°)
OKLab	oklab(64.26% -0.1475 0.1257)
OKLCH	oklch(64.26% 0.194 139.6)
XYZ	xyz(16.0657, 28.7718, 5.7436)
Luminance	0.2877 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA71B #831BA7

analogous

#85A71B #3FA71B #1BA73D

triadic

#3FA71B #1B3FA7 #A71B3F

tetradic

#3FA71B #1B85A7 #831BA7 #A73D1B

square

#3FA71B #1B85A7 #831BA7 #A73D1B

split-complementary

#3FA71B #3D1BA7 #A71B85

monochromatic

#173E0A #2B7212 #3FA71B #53DC24 #7CE458

Accessibility & contrast

On white

3.11

#3FA71B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#3FA71B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA71B

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA71B	#FFFFFF	#000000	##000000
##3FA71B	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#9F8F2D

Tritanopia (blue-blind)

#31A18E

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3fa71b;
/* rgb */ color: rgb(63, 167, 27);
/* oklch */ color: oklch(64.3% 0.194 139.6);

Tailwind

colors: {
  custom: {
    50: '#82c266',
    500: '#3fa71b',
    950: '#000000',
  },
}

SCSS

$custom: #3fa71b;
$custom-light: #82c266;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa71b",
  "rgb": {
    "r": 63,
    "g": 167,
    "b": 27
  },
  "hsl": {
    "h": 104.571,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.64255,
    "c": 0.19381,
    "h": 139.6
  },
  "luminance": 0.28773
}

Semantic roles & 50–950 ramp

primary

#3FA71B

secondary

#AA56C8

accent

#39EFC0

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #3FA71B

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

Preview Lab → · Contrast checker → · Palette generator →