#51DD7D#51DD7D

#51DD7D is a light, vivid green. Relative luminance 0.549; OKLCH L 79.9% C 0.181 H 150.4°. Best body text is #000000 at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#51DD7D
RGB	rgb(81, 221, 125)
HSL	hsl(139, 67%, 59%)
HSV	hsv(139, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 43.4%, 13.3%)
CIE-LAB	lab(79.01, -58.27, 36.22)
CIE-LCH	lch(79.01, 68.61, 148.14°)
OKLab	oklab(79.92% -0.1573 0.0892)
OKLCH	oklch(79.92% 0.181 150.4)
XYZ	xyz(32.9489, 54.9395, 28.2660)
Luminance	0.5494 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD7D #DD51B1

analogous

#6BDD51 #51DD7D #51DDC3

triadic

#51DD7D #7D51DD #DD7D51

tetradic

#51DD7D #516BDD #DD51B1 #DDC351

square

#51DD7D #516BDD #DD51B1 #DDC351

split-complementary

#51DD7D #C351DD #DD516B

monochromatic

#1D9643 #27C95A #51DD7D #84E7A3 #B7F1CA

Accessibility & contrast

On white

1.75

#51DD7D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.99

#51DD7D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD7D

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD7D	#FFFFFF	#000000	##000000
##51DD7D	1.00	1.75	11.99	11.99
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.99	21.00	1.00	1.00
##000000	11.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECB76

Deuteranopia (green-blind)

#CCBF83

Tritanopia (blue-blind)

#1BD9C6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51dd7d;
/* rgb */ color: rgb(81, 221, 125);
/* oklch */ color: oklch(79.9% 0.181 150.4);

Tailwind

colors: {
  custom: {
    50: '#90e9a4',
    500: '#51dd7d',
    950: '#000000',
  },
}

SCSS

$custom: #51dd7d;
$custom-light: #90e9a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd7d",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 125
  },
  "hsl": {
    "h": 138.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7992,
    "c": 0.18083,
    "h": 150.4
  },
  "luminance": 0.54943
}

Semantic roles & 50–950 ramp

primary

#51DD7D

secondary

#9B387B

accent

#3EB4EA

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DD7D

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

Preview Lab → · Contrast checker → · Palette generator →