#51CF3A#51CF3A

#51CF3A is a light, highly saturated green. Relative luminance 0.467; OKLCH L 75.5% C 0.216 H 140.9°. Best body text is #000000 at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#51CF3A
RGB	rgb(81, 207, 58)
HSL	hsl(111, 61%, 52%)
HSV	hsv(111, 72%, 81%)
CMYK	cmyk(60.9%, 0%, 72%, 18.8%)
CIE-LAB	lab(73.98, -61.35, 60.29)
CIE-LCH	lch(73.98, 86.01, 135.50°)
OKLab	oklab(75.54% -0.1678 0.1366)
OKLCH	oklch(75.54% 0.216 140.9)
XYZ	xyz(26.4686, 46.6780, 11.6171)
Luminance	0.4668 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF3A #B83ACF

analogous

#9CCF3A #51CF3A #3ACF6E

triadic

#51CF3A #3A51CF #CF3A51

tetradic

#51CF3A #3A9CCF #B83ACF #CF6E3A

square

#51CF3A #3A9CCF #B83ACF #CF6E3A

split-complementary

#51CF3A #6E3ACF #CF3A9C

monochromatic

#29731C #3BA428 #51CF3A #7CDB6B #A8E79C

Accessibility & contrast

On white

2.03

#51CF3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.34

#51CF3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF3A

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF3A	#FFFFFF	#000000	##000000
##51CF3A	1.00	2.03	10.34	10.34
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.34	21.00	1.00	1.00
##000000	10.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC20

Deuteranopia (green-blind)

#C5B249

Tritanopia (blue-blind)

#3EC8B2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf3a;
/* rgb */ color: rgb(81, 207, 58);
/* oklch */ color: oklch(75.5% 0.216 140.9);

Tailwind

colors: {
  custom: {
    50: '#90df79',
    500: '#51cf3a',
    950: '#000000',
  },
}

SCSS

$custom: #51cf3a;
$custom-light: #90df79;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf3a",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 58
  },
  "hsl": {
    "h": 110.738,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75544,
    "c": 0.21636,
    "h": 140.9
  },
  "luminance": 0.4668
}

Semantic roles & 50–950 ramp

primary

#51CF3A

secondary

#C992D3

accent

#44E4CB

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CF3A

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

Preview Lab → · Contrast checker → · Palette generator →