#3FA51C#3FA51C

#3FA51C is a light, vivid green. Relative luminance 0.281; OKLCH L 63.7% C 0.191 H 139.6°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3FA51C
RGB	rgb(63, 165, 28)
HSL	hsl(105, 71%, 38%)
HSV	hsv(105, 83%, 65%)
CMYK	cmyk(61.8%, 0%, 83%, 35.3%)
CIE-LAB	lab(59.93, -52.88, 56.17)
CIE-LCH	lch(59.93, 77.14, 133.27°)
OKLab	oklab(63.72% -0.1455 0.124)
OKLCH	oklch(63.72% 0.191 139.6)
XYZ	xyz(15.7139, 28.0494, 5.6844)
Luminance	0.2805 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA51C #821CA5

analogous

#83A51C #3FA51C #1CA53E

triadic

#3FA51C #1C3FA5 #A51C3F

tetradic

#3FA51C #1C83A5 #821CA5 #A53E1C

square

#3FA51C #1C83A5 #821CA5 #A53E1C

split-complementary

#3FA51C #3E1CA5 #A51C83

monochromatic

#173C0A #2B7113 #3FA51C #53D925 #7CE359

Accessibility & contrast

On white

3.18

#3FA51C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#3FA51C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA51C

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA51C	#FFFFFF	#000000	##000000
##3FA51C	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9500

Deuteranopia (green-blind)

#9D8D2E

Tritanopia (blue-blind)

#329F8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3fa51c;
/* rgb */ color: rgb(63, 165, 28);
/* oklch */ color: oklch(63.7% 0.191 139.6);

Tailwind

colors: {
  custom: {
    50: '#81c166',
    500: '#3fa51c',
    950: '#000000',
  },
}

SCSS

$custom: #3fa51c;
$custom-light: #81c166;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa51c",
  "rgb": {
    "r": 63,
    "g": 165,
    "b": 28
  },
  "hsl": {
    "h": 104.672,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.63721,
    "c": 0.19117,
    "h": 139.6
  },
  "luminance": 0.28051
}

Semantic roles & 50–950 ramp

primary

#3FA51C

secondary

#AA56C6

accent

#3AEEC0

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #3FA51C

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

Preview Lab → · Contrast checker → · Palette generator →