#51DD5A#51DD5A

#51DD5A is a light, highly saturated green. Relative luminance 0.542; OKLCH L 79.4% C 0.211 H 144.3°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#51DD5A
RGB	rgb(81, 221, 90)
HSL	hsl(124, 67%, 59%)
HSV	hsv(124, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 59.3%, 13.3%)
CIE-LAB	lab(78.58, -63.14, 52.30)
CIE-LCH	lch(78.58, 81.99, 140.36°)
OKLab	oklab(79.43% -0.1711 0.1231)
OKLCH	oklch(79.43% 0.211 144.3)
XYZ	xyz(31.0934, 54.1973, 18.4934)
Luminance	0.5420 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD5A #DD51D4

analogous

#8EDD51 #51DD5A #51DDA0

triadic

#51DD5A #5A51DD #DD5A51

tetradic

#51DD5A #518EDD #DD51D4 #DDA051

square

#51DD5A #518EDD #DD51D4 #DDA051

split-complementary

#51DD5A #A051DD #DD518E

monochromatic

#1D9625 #27C932 #51DD5A #84E78B #B7F1BB

Accessibility & contrast

On white

1.77

#51DD5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#51DD5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD5A

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD5A	#FFFFFF	#000000	##000000
##51DD5A	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA4C

Deuteranopia (green-blind)

#D0BE65

Tritanopia (blue-blind)

#30D7C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd5a;
/* rgb */ color: rgb(81, 221, 90);
/* oklch */ color: oklch(79.4% 0.211 144.3);

Tailwind

colors: {
  custom: {
    50: '#91e98d',
    500: '#51dd5a',
    950: '#000000',
  },
}

SCSS

$custom: #51dd5a;
$custom-light: #91e98d;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd5a",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 90
  },
  "hsl": {
    "h": 123.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79425,
    "c": 0.21076,
    "h": 144.3
  },
  "luminance": 0.542
}

Semantic roles & 50–950 ramp

primary

#51DD5A

secondary

#9B3894

accent

#3EDFEA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DD5A

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

Preview Lab → · Contrast checker → · Palette generator →