#51DD5E#51DD5E

#51DD5E is a light, highly saturated green. Relative luminance 0.543; OKLCH L 79.5% C 0.208 H 144.8°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#51DD5E
RGB	rgb(81, 221, 94)
HSL	hsl(126, 67%, 59%)
HSV	hsv(126, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 57.5%, 13.3%)
CIE-LAB	lab(78.62, -62.67, 50.56)
CIE-LCH	lch(78.62, 80.53, 141.10°)
OKLab	oklab(79.47% -0.1697 0.1197)
OKLCH	oklch(79.47% 0.208 144.8)
XYZ	xyz(31.2682, 54.2672, 19.4143)
Luminance	0.5427 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD5E #DD51D0

analogous

#8ADD51 #51DD5E #51DDA4

triadic

#51DD5E #5E51DD #DD5E51

tetradic

#51DD5E #518ADD #DD51D0 #DDA451

square

#51DD5E #518ADD #DD51D0 #DDA451

split-complementary

#51DD5E #A451DD #DD518A

monochromatic

#1D9629 #27C936 #51DD5E #84E78D #B7F1BD

Accessibility & contrast

On white

1.77

#51DD5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#51DD5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD5E

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD5E	#FFFFFF	#000000	##000000
##51DD5E	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA51

Deuteranopia (green-blind)

#CFBE68

Tritanopia (blue-blind)

#2ED7C1

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dd5e;
/* rgb */ color: rgb(81, 221, 94);
/* oklch */ color: oklch(79.5% 0.208 144.8);

Tailwind

colors: {
  custom: {
    50: '#91e98f',
    500: '#51dd5e',
    950: '#000000',
  },
}

SCSS

$custom: #51dd5e;
$custom-light: #91e98f;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd5e",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 94
  },
  "hsl": {
    "h": 125.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79472,
    "c": 0.20761,
    "h": 144.8
  },
  "luminance": 0.5427
}

Semantic roles & 50–950 ramp

primary

#51DD5E

secondary

#9B3891

accent

#3EDAEA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DD5E

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

Preview Lab → · Contrast checker → · Palette generator →