#51CB64#51CB64

#51CB64 is a light, vivid green. Relative luminance 0.454; OKLCH L 75.0% C 0.180 H 146.4°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#51CB64
RGB	rgb(81, 203, 100)
HSL	hsl(129, 54%, 56%)
HSV	hsv(129, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 50.7%, 20.4%)
CIE-LAB	lab(73.14, -55.35, 41.17)
CIE-LCH	lch(73.14, 68.98, 143.35°)
OKLab	oklab(74.98% -0.1497 0.0994)
OKLCH	oklch(74.98% 0.18 146.4)
XYZ	xyz(27.0478, 45.3787, 19.3877)
Luminance	0.4538 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB64 #CB51B8

analogous

#7BCB51 #51CB64 #51CBA1

triadic

#51CB64 #6451CB #CB6451

tetradic

#51CB64 #517BCB #CB51B8 #CBA151

square

#51CB64 #517BCB #CB51B8 #CBA151

split-complementary

#51CB64 #A151CB #CB517B

monochromatic

#257C33 #33AC46 #51CB64 #80D98E #AFE7B8

Accessibility & contrast

On white

2.08

#51CB64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#51CB64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB64

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB64	#FFFFFF	#000000	##000000
##51CB64	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA5B

Deuteranopia (green-blind)

#BEAF6B

Tritanopia (blue-blind)

#34C7B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cb64;
/* rgb */ color: rgb(81, 203, 100);
/* oklch */ color: oklch(75.0% 0.180 146.4);

Tailwind

colors: {
  custom: {
    50: '#8edc92',
    500: '#51cb64',
    950: '#000000',
  },
}

SCSS

$custom: #51cb64;
$custom-light: #8edc92;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb64",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 100
  },
  "hsl": {
    "h": 129.344,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74977,
    "c": 0.1797,
    "h": 146.4
  },
  "luminance": 0.45381
}

Semantic roles & 50–950 ramp

primary

#51CB64

secondary

#D5A3CD

accent

#4AC6DD

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #51CB64

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

Preview Lab → · Contrast checker → · Palette generator →