#51DD5C#51DD5C

#51DD5C is a light, highly saturated green. Relative luminance 0.542; OKLCH L 79.4% C 0.209 H 144.5°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#51DD5C
RGB	rgb(81, 221, 92)
HSL	hsl(125, 67%, 59%)
HSV	hsv(125, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 58.4%, 13.3%)
CIE-LAB	lab(78.60, -62.91, 51.44)
CIE-LCH	lch(78.60, 81.26, 140.73°)
OKLab	oklab(79.45% -0.1704 0.1214)
OKLCH	oklch(79.45% 0.209 144.5)
XYZ	xyz(31.1796, 54.2318, 18.9478)
Luminance	0.5423 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD5C #DD51D2

analogous

#8CDD51 #51DD5C #51DDA2

triadic

#51DD5C #5C51DD #DD5C51

tetradic

#51DD5C #518CDD #DD51D2 #DDA251

square

#51DD5C #518CDD #DD51D2 #DDA251

split-complementary

#51DD5C #A251DD #DD518C

monochromatic

#1D9627 #27C934 #51DD5C #84E78C #B7F1BC

Accessibility & contrast

On white

1.77

#51DD5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#51DD5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD5C

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD5C	#FFFFFF	#000000	##000000
##51DD5C	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)

#E1CA4F

Deuteranopia (green-blind)

#D0BE66

Tritanopia (blue-blind)

#2FD7C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd5c;
/* rgb */ color: rgb(81, 221, 92);
/* oklch */ color: oklch(79.4% 0.209 144.5);

Tailwind

colors: {
  custom: {
    50: '#91e98e',
    500: '#51dd5c',
    950: '#000000',
  },
}

SCSS

$custom: #51dd5c;
$custom-light: #91e98e;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd5c",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 92
  },
  "hsl": {
    "h": 124.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79448,
    "c": 0.2092,
    "h": 144.5
  },
  "luminance": 0.54235
}

Semantic roles & 50–950 ramp

primary

#51DD5C

secondary

#9B3893

accent

#3EDDEA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DD5C

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

Preview Lab → · Contrast checker → · Palette generator →