#51CE40#51CE40

#51CE40 is a light, highly saturated green. Relative luminance 0.463; OKLCH L 75.3% C 0.212 H 141.4°. Best body text is #000000 at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#51CE40
RGB	rgb(81, 206, 64)
HSL	hsl(113, 59%, 53%)
HSV	hsv(113, 69%, 81%)
CMYK	cmyk(60.7%, 0%, 68.9%, 19.2%)
CIE-LAB	lab(73.71, -60.51, 57.77)
CIE-LCH	lch(73.71, 83.66, 136.33°)
OKLab	oklab(75.33% -0.1652 0.132)
OKLCH	oklch(75.33% 0.212 141.4)
XYZ	xyz(26.3887, 46.2596, 12.3879)
Luminance	0.4626 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CE40 #BD40CE

analogous

#98CE40 #51CE40 #40CE76

triadic

#51CE40 #4051CE #CE4051

tetradic

#51CE40 #4098CE #BD40CE #CE7640

square

#51CE40 #4098CE #BD40CE #CE7640

split-complementary

#51CE40 #7640CE #CE4098

monochromatic

#29751E #39A62B #51CE40 #7DDA71 #AAE7A1

Accessibility & contrast

On white

2.05

#51CE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.25

#51CE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CE40

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CE40	#FFFFFF	#000000	##000000
##51CE40	1.00	2.05	10.25	10.25
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.25	21.00	1.00	1.00
##000000	10.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB2B

Deuteranopia (green-blind)

#C4B14E

Tritanopia (blue-blind)

#3DC8B2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51ce40;
/* rgb */ color: rgb(81, 206, 64);
/* oklch */ color: oklch(75.3% 0.212 141.4);

Tailwind

colors: {
  custom: {
    50: '#90de7c',
    500: '#51ce40',
    950: '#000000',
  },
}

SCSS

$custom: #51ce40;
$custom-light: #90de7c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ce40",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 64
  },
  "hsl": {
    "h": 112.817,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75334,
    "c": 0.21151,
    "h": 141.4
  },
  "luminance": 0.46262
}

Semantic roles & 50–950 ramp

primary

#51CE40

secondary

#CC96D4

accent

#45E2D0

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CE40

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

Preview Lab → · Contrast checker → · Palette generator →