#3FCB51#3FCB51

#3FCB51 is a light, highly saturated green. Relative luminance 0.444; OKLCH L 74.2% C 0.202 H 145.1°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#3FCB51
RGB	rgb(63, 203, 81)
HSL	hsl(128, 57%, 52%)
HSV	hsv(128, 69%, 80%)
CMYK	cmyk(69%, 0%, 60.1%, 20.4%)
CIE-LAB	lab(72.47, -61.44, 49.16)
CIE-LCH	lch(72.47, 78.69, 141.34°)
OKLab	oklab(74.22% -0.166 0.1156)
OKLCH	oklch(74.22% 0.202 145.1)
XYZ	xyz(24.8894, 44.3600, 15.0336)
Luminance	0.4436 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCB51 #CB3FB9

analogous

#73CB3F #3FCB51 #3FCB97

triadic

#3FCB51 #513FCB #CB513F

tetradic

#3FCB51 #3F73CB #CB3FB9 #CB973F

square

#3FCB51 #3F73CB #CB3FB9 #CB973F

split-complementary

#3FCB51 #973FCB #CB3F73

monochromatic

#1F7129 #2CA13B #3FCB51 #6FD87D #9FE5A8

Accessibility & contrast

On white

2.13

#3FCB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.87

#3FCB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCB51

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCB51	#FFFFFF	#000000	##000000
##3FCB51	1.00	2.13	9.87	9.87
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.87	21.00	1.00	1.00
##000000	9.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB944

Deuteranopia (green-blind)

#BEAD5B

Tritanopia (blue-blind)

#06C6B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #3fcb51;
/* rgb */ color: rgb(63, 203, 81);
/* oklch */ color: oklch(74.2% 0.202 145.1);

Tailwind

colors: {
  custom: {
    50: '#86dc86',
    500: '#3fcb51',
    950: '#000000',
  },
}

SCSS

$custom: #3fcb51;
$custom-light: #86dc86;
$custom-dark: #000000;

JSON

{
  "hex": "#3fcb51",
  "rgb": {
    "r": 63,
    "g": 203,
    "b": 81
  },
  "hsl": {
    "h": 127.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.74223,
    "c": 0.20234,
    "h": 145.1
  },
  "luminance": 0.44363
}

Semantic roles & 50–950 ramp

primary

#3FCB51

secondary

#D194CA

accent

#47CDE1

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #3FCB51

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

Preview Lab → · Contrast checker → · Palette generator →