#51DE5A#51DE5A

#51DE5A is a light, highly saturated green. Relative luminance 0.547; OKLCH L 79.7% C 0.212 H 144.2°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#51DE5A
RGB	rgb(81, 222, 90)
HSL	hsl(124, 68%, 59%)
HSV	hsv(124, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 59.5%, 12.9%)
CIE-LAB	lab(78.88, -63.49, 52.66)
CIE-LCH	lch(78.88, 82.48, 140.33°)
OKLab	oklab(79.68% -0.172 0.1239)
OKLCH	oklch(79.68% 0.212 144.2)
XYZ	xyz(31.3582, 54.7269, 18.5817)
Luminance	0.5473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE5A #DE51D5

analogous

#8FDE51 #51DE5A #51DEA1

triadic

#51DE5A #5A51DE #DE5A51

tetradic

#51DE5A #518FDE #DE51D5 #DEA151

square

#51DE5A #518FDE #DE51D5 #DEA151

split-complementary

#51DE5A #A151DE #DE518F

monochromatic

#1D9825 #27CB31 #51DE5A #84E88B #B8F2BC

Accessibility & contrast

On white

1.76

#51DE5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#51DE5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE5A

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE5A	#FFFFFF	#000000	##000000
##51DE5A	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CB4C

Deuteranopia (green-blind)

#D1BF65

Tritanopia (blue-blind)

#2FD8C2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51de5a;
/* rgb */ color: rgb(81, 222, 90);
/* oklch */ color: oklch(79.7% 0.212 144.2);

Tailwind

colors: {
  custom: {
    50: '#91e98d',
    500: '#51de5a',
    950: '#000000',
  },
}

SCSS

$custom: #51de5a;
$custom-light: #91e98d;
$custom-dark: #000000;

JSON

{
  "hex": "#51de5a",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 90
  },
  "hsl": {
    "h": 123.83,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.79679,
    "c": 0.21197,
    "h": 144.2
  },
  "luminance": 0.5473
}

Semantic roles & 50–950 ramp

primary

#51DE5A

secondary

#9C3796

accent

#3DE0EB

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DE5A

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

Preview Lab → · Contrast checker → · Palette generator →