#51CC3F#51CC3F

#51CC3F is a light, highly saturated green. Relative luminance 0.453; OKLCH L 74.8% C 0.210 H 141.3°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#51CC3F
RGB	rgb(81, 204, 63)
HSL	hsl(112, 58%, 52%)
HSV	hsv(112, 69%, 80%)
CMYK	cmyk(60.3%, 0%, 69.1%, 20%)
CIE-LAB	lab(73.08, -59.90, 57.49)
CIE-LCH	lch(73.08, 83.02, 136.17°)
OKLab	oklab(74.81% -0.1636 0.1313)
OKLCH	oklch(74.81% 0.21 141.3)
XYZ	xyz(25.8821, 45.2915, 12.0799)
Luminance	0.4529 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC3F #BA3FCC

analogous

#98CC3F #51CC3F #3FCC73

triadic

#51CC3F #3F51CC #CC3F51

tetradic

#51CC3F #3F98CC #BA3FCC #CC733F

square

#51CC3F #3F98CC #BA3FCC #CC733F

split-complementary

#51CC3F #733FCC #CC3F98

monochromatic

#29721E #3AA32B #51CC3F #7DD96F #A9E6A0

Accessibility & contrast

On white

2.09

#51CC3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#51CC3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC3F

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC3F	#FFFFFF	#000000	##000000
##51CC3F	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA2A

Deuteranopia (green-blind)

#C2B04C

Tritanopia (blue-blind)

#3EC6B0

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cc3f;
/* rgb */ color: rgb(81, 204, 63);
/* oklch */ color: oklch(74.8% 0.210 141.3);

Tailwind

colors: {
  custom: {
    50: '#8fdd7b',
    500: '#51cc3f',
    950: '#000000',
  },
}

SCSS

$custom: #51cc3f;
$custom-light: #8fdd7b;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc3f",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 63
  },
  "hsl": {
    "h": 112.34,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74811,
    "c": 0.20982,
    "h": 141.3
  },
  "luminance": 0.45294
}

Semantic roles & 50–950 ramp

primary

#51CC3F

secondary

#CA95D2

accent

#47E1CE

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CC3F

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

Preview Lab → · Contrast checker → · Palette generator →