#51DA78#51DA78

#51DA78 is a light, vivid green. Relative luminance 0.532; OKLCH L 79.1% C 0.181 H 149.6°. Best body text is #000000 at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#51DA78
RGB	rgb(81, 218, 120)
HSL	hsl(137, 65%, 59%)
HSV	hsv(137, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 45%, 14.5%)
CIE-LAB	lab(78.02, -57.96, 37.45)
CIE-LCH	lch(78.02, 69.00, 147.13°)
OKLab	oklab(79.08% -0.1564 0.0919)
OKLCH	oklch(79.08% 0.181 149.6)
XYZ	xyz(31.8525, 53.2450, 26.3643)
Luminance	0.5325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA78 #DA51B3

analogous

#6EDA51 #51DA78 #51DABC

triadic

#51DA78 #7851DA #DA7851

tetradic

#51DA78 #516EDA #DA51B3 #DABC51

square

#51DA78 #516EDA #DA51B3 #DABC51

split-complementary

#51DA78 #BC51DA #DA516E

monochromatic

#1F9240 #2AC456 #51DA78 #83E59F #B6EFC6

Accessibility & contrast

On white

1.80

#51DA78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.65

#51DA78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA78

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA78	#FFFFFF	#000000	##000000
##51DA78	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)

#DBC870

Deuteranopia (green-blind)

#CABC7F

Tritanopia (blue-blind)

#22D6C2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51da78;
/* rgb */ color: rgb(81, 218, 120);
/* oklch */ color: oklch(79.1% 0.181 149.6);

Tailwind

colors: {
  custom: {
    50: '#90e6a0',
    500: '#51da78',
    950: '#000000',
  },
}

SCSS

$custom: #51da78;
$custom-light: #90e6a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51da78",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 120
  },
  "hsl": {
    "h": 137.08,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79083,
    "c": 0.18142,
    "h": 149.6
  },
  "luminance": 0.53248
}

Semantic roles & 50–950 ramp

primary

#51DA78

secondary

#97397C

accent

#40B8E8

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DA78

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

Preview Lab → · Contrast checker → · Palette generator →