#3FD23B#3FD23B

#3FD23B is a light, highly saturated green. Relative luminance 0.475; OKLCH L 75.8% C 0.225 H 142.6°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#3FD23B
RGB	rgb(63, 210, 59)
HSL	hsl(118, 63%, 53%)
HSV	hsv(118, 72%, 82%)
CMYK	cmyk(70%, 0%, 71.9%, 17.6%)
CIE-LAB	lab(74.48, -65.93, 60.30)
CIE-LCH	lch(74.48, 89.34, 137.56°)
OKLab	oklab(75.83% -0.1792 0.1368)
OKLCH	oklch(75.83% 0.225 142.6)
XYZ	xyz(25.8844, 47.4629, 11.9339)
Luminance	0.4747 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FD23B #CE3BD2

analogous

#8AD23B #3FD23B #3BD283

triadic

#3FD23B #3B3FD2 #D23B3F

tetradic

#3FD23B #3B8AD2 #CE3BD2 #D2833B

square

#3FD23B #3B8AD2 #CE3BD2 #D2833B

split-complementary

#3FD23B #833BD2 #D23B8A

monochromatic

#1E771B #2AA927 #3FD23B #70DD6D #A1E99F

Accessibility & contrast

On white

2.00

#3FD23B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#3FD23B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FD23B

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FD23B	#FFFFFF	#000000	##000000
##3FD23B	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE20

Deuteranopia (green-blind)

#C6B34B

Tritanopia (blue-blind)

#10CCB4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #3fd23b;
/* rgb */ color: rgb(63, 210, 59);
/* oklch */ color: oklch(75.8% 0.225 142.6);

Tailwind

colors: {
  custom: {
    50: '#89e17a',
    500: '#3fd23b',
    950: '#000000',
  },
}

SCSS

$custom: #3fd23b;
$custom-light: #89e17a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fd23b",
  "rgb": {
    "r": 63,
    "g": 210,
    "b": 59
  },
  "hsl": {
    "h": 118.411,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.75835,
    "c": 0.22545,
    "h": 142.6
  },
  "luminance": 0.47466
}

Semantic roles & 50–950 ramp

primary

#3FD23B

secondary

#D394D5

accent

#42E6E1

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #3FD23B

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

Preview Lab → · Contrast checker → · Palette generator →