#51DA79#51DA79

#51DA79 is a light, vivid green. Relative luminance 0.533; OKLCH L 79.1% C 0.181 H 149.8°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#51DA79
RGB	rgb(81, 218, 121)
HSL	hsl(138, 65%, 59%)
HSV	hsv(138, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 44.5%, 14.5%)
CIE-LAB	lab(78.03, -57.80, 36.97)
CIE-LCH	lch(78.03, 68.61, 147.40°)
OKLab	oklab(79.1% -0.156 0.0908)
OKLCH	oklch(79.1% 0.181 149.8)
XYZ	xyz(31.9135, 53.2694, 26.6856)
Luminance	0.5327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA79 #DA51B2

analogous

#6DDA51 #51DA79 #51DABD

triadic

#51DA79 #7951DA #DA7951

tetradic

#51DA79 #516DDA #DA51B2 #DABD51

square

#51DA79 #516DDA #DA51B2 #DABD51

split-complementary

#51DA79 #BD51DA #DA516D

monochromatic

#1F9240 #2AC457 #51DA79 #83E5A0 #B6EFC7

Accessibility & contrast

On white

1.80

#51DA79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.65

#51DA79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA79

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA79	#FFFFFF	#000000	##000000
##51DA79	1.00	1.80	11.65	11.65
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.65	21.00	1.00	1.00
##000000	11.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC872

Deuteranopia (green-blind)

#CABC80

Tritanopia (blue-blind)

#21D6C3

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51da79;
/* rgb */ color: rgb(81, 218, 121);
/* oklch */ color: oklch(79.1% 0.181 149.8);

Tailwind

colors: {
  custom: {
    50: '#90e6a1',
    500: '#51da79',
    950: '#000000',
  },
}

SCSS

$custom: #51da79;
$custom-light: #90e6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51da79",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 121
  },
  "hsl": {
    "h": 137.518,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.791,
    "c": 0.18051,
    "h": 149.8
  },
  "luminance": 0.53273
}

Semantic roles & 50–950 ramp

primary

#51DA79

secondary

#97397B

accent

#40B7E8

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DA79

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

Preview Lab → · Contrast checker → · Palette generator →