#3FA61B#3FA61B

#3FA61B is a light, vivid green. Relative luminance 0.284; OKLCH L 64.0% C 0.193 H 139.5°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3FA61B
RGB	rgb(63, 166, 27)
HSL	hsl(104, 72%, 38%)
HSV	hsv(104, 84%, 65%)
CMYK	cmyk(62%, 0%, 83.7%, 34.9%)
CIE-LAB	lab(60.25, -53.28, 56.73)
CIE-LCH	lch(60.25, 77.83, 133.20°)
OKLab	oklab(63.99% -0.1466 0.125)
OKLCH	oklch(63.99% 0.193 139.5)
XYZ	xyz(15.8832, 28.4068, 5.6827)
Luminance	0.2841 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA61B #821BA6

analogous

#85A61B #3FA61B #1BA63C

triadic

#3FA61B #1B3FA6 #A61B3F

tetradic

#3FA61B #1B85A6 #821BA6 #A63C1B

square

#3FA61B #1B85A6 #821BA6 #A63C1B

split-complementary

#3FA61B #3C1BA6 #A61B85

monochromatic

#173D0A #2B7112 #3FA61B #53DB24 #7CE458

Accessibility & contrast

On white

3.14

#3FA61B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#3FA61B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA61B

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA61B	#FFFFFF	#000000	##000000
##3FA61B	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9600

Deuteranopia (green-blind)

#9E8E2D

Tritanopia (blue-blind)

#31A08D

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3fa61b;
/* rgb */ color: rgb(63, 166, 27);
/* oklch */ color: oklch(64.0% 0.193 139.5);

Tailwind

colors: {
  custom: {
    50: '#81c165',
    500: '#3fa61b',
    950: '#000000',
  },
}

SCSS

$custom: #3fa61b;
$custom-light: #81c165;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa61b",
  "rgb": {
    "r": 63,
    "g": 166,
    "b": 27
  },
  "hsl": {
    "h": 104.46,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.63986,
    "c": 0.19269,
    "h": 139.5
  },
  "luminance": 0.28408
}

Semantic roles & 50–950 ramp

primary

#3FA61B

secondary

#AA56C7

accent

#39EFC0

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #3FA61B

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

Preview Lab → · Contrast checker → · Palette generator →