#3FC23B#3FC23B

#3FC23B is a light, highly saturated green. Relative luminance 0.400; OKLCH L 71.7% C 0.207 H 142.6°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#3FC23B
RGB	rgb(63, 194, 59)
HSL	hsl(118, 53%, 50%)
HSV	hsv(118, 70%, 76%)
CMYK	cmyk(67.5%, 0%, 69.6%, 23.9%)
CIE-LAB	lab(69.44, -60.66, 55.06)
CIE-LCH	lch(69.44, 81.93, 137.77°)
OKLab	oklab(71.65% -0.1649 0.1259)
OKLCH	oklch(71.65% 0.207 142.6)
XYZ	xyz(22.1298, 39.9538, 10.6824)
Luminance	0.3996 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FC23B #BE3BC2

analogous

#83C23B #3FC23B #3BC27A

triadic

#3FC23B #3B3FC2 #C23B3F

tetradic

#3FC23B #3B83C2 #BE3BC2 #C27A3B

square

#3FC23B #3B83C2 #BE3BC2 #C27A3B

split-complementary

#3FC23B #7A3BC2 #C23B83

monochromatic

#21641E #30932D #3FC23B #6CD169 #9AE098

Accessibility & contrast

On white

2.34

#3FC23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#3FC23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FC23B

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FC23B	#FFFFFF	#000000	##000000
##3FC23B	1.00	2.34	8.99	8.99
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B027

Deuteranopia (green-blind)

#B7A648

Tritanopia (blue-blind)

#1EBCA7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3fc23b;
/* rgb */ color: rgb(63, 194, 59);
/* oklch */ color: oklch(71.7% 0.207 142.6);

Tailwind

colors: {
  custom: {
    50: '#85d678',
    500: '#3fc23b',
    950: '#000000',
  },
}

SCSS

$custom: #3fc23b;
$custom-light: #85d678;
$custom-dark: #000000;

JSON

{
  "hex": "#3fc23b",
  "rgb": {
    "r": 63,
    "g": 194,
    "b": 59
  },
  "hsl": {
    "h": 118.222,
    "s": 53.36,
    "l": 49.608
  },
  "oklch": {
    "l": 0.7165,
    "c": 0.20747,
    "h": 142.6
  },
  "luminance": 0.39956
}

Semantic roles & 50–950 ramp

primary

#3FC23B

secondary

#C98ECB

accent

#4BDDD8

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #3FC23B

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

Preview Lab → · Contrast checker → · Palette generator →