#51CB4A#51CB4A

#51CB4A is a light, highly saturated green. Relative luminance 0.450; OKLCH L 74.7% C 0.201 H 142.4°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#51CB4A
RGB	rgb(81, 203, 74)
HSL	hsl(117, 55%, 54%)
HSV	hsv(117, 64%, 80%)
CMYK	cmyk(60.1%, 0%, 63.5%, 20.4%)
CIE-LAB	lab(72.86, -58.51, 52.78)
CIE-LCH	lch(72.86, 78.80, 137.95°)
OKLab	oklab(74.66% -0.1593 0.1226)
OKLCH	oklch(74.66% 0.201 142.4)
XYZ	xyz(25.9839, 44.9532, 13.7848)
Luminance	0.4496 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB4A #C44ACB

analogous

#92CB4A #51CB4A #4ACB84

triadic

#51CB4A #4A51CB #CB4A51

tetradic

#51CB4A #4A92CB #C44ACB #CB844A

square

#51CB4A #4A92CB #C44ACB #CB844A

split-complementary

#51CB4A #844ACB #CB4A92

monochromatic

#277823 #37A830 #51CB4A #7FD97A #ACE6A9

Accessibility & contrast

On white

2.10

#51CB4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.99

#51CB4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB4A

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB4A	#FFFFFF	#000000	##000000
##51CB4A	1.00	2.10	9.99	9.99
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.99	21.00	1.00	1.00
##000000	9.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB93A

Deuteranopia (green-blind)

#C0AF55

Tritanopia (blue-blind)

#3CC5B0

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb4a;
/* rgb */ color: rgb(81, 203, 74);
/* oklch */ color: oklch(74.7% 0.201 142.4);

Tailwind

colors: {
  custom: {
    50: '#8fdc82',
    500: '#51cb4a',
    950: '#000000',
  },
}

SCSS

$custom: #51cb4a;
$custom-light: #8fdc82;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb4a",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 74
  },
  "hsl": {
    "h": 116.744,
    "s": 55.365,
    "l": 54.314
  },
  "oklch": {
    "l": 0.74656,
    "c": 0.20103,
    "h": 142.4
  },
  "luminance": 0.44956
}

Semantic roles & 50–950 ramp

primary

#51CB4A

secondary

#D19DD4

accent

#49DFD7

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51CB4A

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

Preview Lab → · Contrast checker → · Palette generator →