#51CF40#51CF40

#51CF40 is a light, highly saturated green. Relative luminance 0.467; OKLCH L 75.6% C 0.213 H 141.4°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#51CF40
RGB	rgb(81, 207, 64)
HSL	hsl(113, 60%, 53%)
HSV	hsv(113, 69%, 81%)
CMYK	cmyk(60.9%, 0%, 69.1%, 18.8%)
CIE-LAB	lab(74.02, -60.86, 58.09)
CIE-LCH	lch(74.02, 84.14, 136.33°)
OKLab	oklab(75.59% -0.1662 0.1327)
OKLCH	oklch(75.59% 0.213 141.4)
XYZ	xyz(26.6302, 46.7426, 12.4684)
Luminance	0.4674 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF40 #BE40CF

analogous

#98CF40 #51CF40 #40CF76

triadic

#51CF40 #4051CF #CF4051

tetradic

#51CF40 #4098CF #BE40CF #CF7640

square

#51CF40 #4098CF #BE40CF #CF7640

split-complementary

#51CF40 #7640CF #CF4098

monochromatic

#28771E #39A82A #51CF40 #7EDB71 #AAE8A2

Accessibility & contrast

On white

2.03

#51CF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#51CF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF40

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF40	#FFFFFF	#000000	##000000
##51CF40	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC2A

Deuteranopia (green-blind)

#C5B24E

Tritanopia (blue-blind)

#3DC9B2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf40;
/* rgb */ color: rgb(81, 207, 64);
/* oklch */ color: oklch(75.6% 0.213 141.4);

Tailwind

colors: {
  custom: {
    50: '#90df7c',
    500: '#51cf40',
    950: '#000000',
  },
}

SCSS

$custom: #51cf40;
$custom-light: #90df7c;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf40",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 64
  },
  "hsl": {
    "h": 112.867,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75592,
    "c": 0.21268,
    "h": 141.4
  },
  "luminance": 0.46745
}

Semantic roles & 50–950 ramp

primary

#51CF40

secondary

#CD97D4

accent

#45E3D0

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CF40

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

Preview Lab → · Contrast checker → · Palette generator →