#51DB79#51DB79

#51DB79 is a light, vivid green. Relative luminance 0.538; OKLCH L 79.4% C 0.182 H 149.7°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#51DB79
RGB	rgb(81, 219, 121)
HSL	hsl(137, 66%, 59%)
HSV	hsv(137, 63%, 86%)
CMYK	cmyk(63%, 0%, 44.7%, 14.1%)
CIE-LAB	lab(78.34, -58.17, 37.36)
CIE-LCH	lch(78.34, 69.13, 147.29°)
OKLab	oklab(79.35% -0.157 0.0917)
OKLCH	oklch(79.35% 0.182 149.7)
XYZ	xyz(32.1736, 53.7896, 26.7723)
Luminance	0.5379 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB79 #DB51B3

analogous

#6EDB51 #51DB79 #51DBBE

triadic

#51DB79 #7951DB #DB7951

tetradic

#51DB79 #516EDB #DB51B3 #DBBE51

square

#51DB79 #516EDB #DB51B3 #DBBE51

split-complementary

#51DB79 #BE51DB #DB516E

monochromatic

#1E9340 #29C656 #51DB79 #84E5A0 #B6F0C7

Accessibility & contrast

On white

1.79

#51DB79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#51DB79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB79

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB79	#FFFFFF	#000000	##000000
##51DB79	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC972

Deuteranopia (green-blind)

#CBBD80

Tritanopia (blue-blind)

#20D7C3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51db79;
/* rgb */ color: rgb(81, 219, 121);
/* oklch */ color: oklch(79.4% 0.182 149.7);

Tailwind

colors: {
  custom: {
    50: '#90e7a1',
    500: '#51db79',
    950: '#000000',
  },
}

SCSS

$custom: #51db79;
$custom-light: #90e7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51db79",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 121
  },
  "hsl": {
    "h": 137.391,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79351,
    "c": 0.18182,
    "h": 149.7
  },
  "luminance": 0.53793
}

Semantic roles & 50–950 ramp

primary

#51DB79

secondary

#98387C

accent

#3FB8E9

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DB79

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

Preview Lab → · Contrast checker → · Palette generator →