#51DB7C#51DB7C

#51DB7C is a light, vivid green. Relative luminance 0.539; OKLCH L 79.4% C 0.179 H 150.4°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#51DB7C
RGB	rgb(81, 219, 124)
HSL	hsl(139, 66%, 59%)
HSV	hsv(139, 63%, 86%)
CMYK	cmyk(63%, 0%, 43.4%, 14.1%)
CIE-LAB	lab(78.38, -57.68, 35.92)
CIE-LCH	lch(78.38, 67.95, 148.09°)
OKLab	oklab(79.4% -0.1557 0.0885)
OKLCH	oklch(79.4% 0.179 150.4)
XYZ	xyz(32.3605, 53.8643, 27.7563)
Luminance	0.5387 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB7C #DB51B0

analogous

#6BDB51 #51DB7C #51DBC1

triadic

#51DB7C #7C51DB #DB7C51

tetradic

#51DB7C #516BDB #DB51B0 #DBC151

square

#51DB7C #516BDB #DB51B0 #DBC151

split-complementary

#51DB7C #C151DB #DB516B

monochromatic

#1E9343 #29C65A #51DB7C #84E5A2 #B6F0C8

Accessibility & contrast

On white

1.78

#51DB7C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.77

#51DB7C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB7C

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB7C	#FFFFFF	#000000	##000000
##51DB7C	1.00	1.78	11.77	11.77
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.77	21.00	1.00	1.00
##000000	11.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC975

Deuteranopia (green-blind)

#CBBD82

Tritanopia (blue-blind)

#1ED7C4

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51db7c;
/* rgb */ color: rgb(81, 219, 124);
/* oklch */ color: oklch(79.4% 0.179 150.4);

Tailwind

colors: {
  custom: {
    50: '#90e7a3',
    500: '#51db7c',
    950: '#000000',
  },
}

SCSS

$custom: #51db7c;
$custom-light: #90e7a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51db7c",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 124
  },
  "hsl": {
    "h": 138.696,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79401,
    "c": 0.17911,
    "h": 150.4
  },
  "luminance": 0.53868
}

Semantic roles & 50–950 ramp

primary

#51DB7C

secondary

#98387A

accent

#3FB4E9

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DB7C

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

Preview Lab → · Contrast checker → · Palette generator →