#51CA64#51CA64

#51CA64 is a light, vivid green. Relative luminance 0.449; OKLCH L 74.7% C 0.178 H 146.5°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#51CA64
RGB	rgb(81, 202, 100)
HSL	hsl(129, 53%, 55%)
HSV	hsv(129, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 50.5%, 20.8%)
CIE-LAB	lab(72.83, -54.97, 40.79)
CIE-LCH	lch(72.83, 68.45, 143.42°)
OKLab	oklab(74.72% -0.1487 0.0986)
OKLCH	oklch(74.72% 0.178 146.5)
XYZ	xyz(26.8124, 44.9079, 19.3092)
Luminance	0.4491 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA64 #CA51B7

analogous

#7BCA51 #51CA64 #51CAA0

triadic

#51CA64 #6451CA #CA6451

tetradic

#51CA64 #517BCA #CA51B7 #CAA051

square

#51CA64 #517BCA #CA51B7 #CAA051

split-complementary

#51CA64 #A051CA #CA517B

monochromatic

#257B33 #34AA46 #51CA64 #80D88E #AFE7B8

Accessibility & contrast

On white

2.10

#51CA64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#51CA64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA64

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA64	#FFFFFF	#000000	##000000
##51CA64	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB95B

Deuteranopia (green-blind)

#BDAF6B

Tritanopia (blue-blind)

#35C6B2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51ca64;
/* rgb */ color: rgb(81, 202, 100);
/* oklch */ color: oklch(74.7% 0.178 146.5);

Tailwind

colors: {
  custom: {
    50: '#8ddb92',
    500: '#51ca64',
    950: '#000000',
  },
}

SCSS

$custom: #51ca64;
$custom-light: #8ddb92;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca64",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 100
  },
  "hsl": {
    "h": 129.421,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74722,
    "c": 0.17838,
    "h": 146.5
  },
  "luminance": 0.4491
}

Semantic roles & 50–950 ramp

primary

#51CA64

secondary

#D5A2CD

accent

#4BC6DD

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #51CA64

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

Preview Lab → · Contrast checker → · Palette generator →