#51D78E#51D78E

#51D78E is a light, vivid green. Relative luminance 0.523; OKLCH L 78.7% C 0.157 H 155.9°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#51D78E
RGB	rgb(81, 215, 142)
HSL	hsl(147, 63%, 58%)
HSV	hsv(147, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 34%, 15.7%)
CIE-LAB	lab(77.46, -52.94, 25.50)
CIE-LCH	lch(77.46, 58.76, 154.28°)
OKLab	oklab(78.74% -0.1437 0.0642)
OKLCH	oklch(78.74% 0.157 155.9)
XYZ	xyz(32.5734, 52.2999, 33.9642)
Luminance	0.5230 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D78E #D7519A

analogous

#57D751 #51D78E #51D7D1

triadic

#51D78E #8E51D7 #D78E51

tetradic

#51D78E #5157D7 #D7519A #D7D151

square

#51D78E #5157D7 #D7519A #D7D151

split-complementary

#51D78E #D151D7 #D75157

monochromatic

#208D52 #2CBF6F #51D78E #83E2AE #B5EECF

Accessibility & contrast

On white

1.83

#51D78E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.46

#51D78E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D78E

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D78E	#FFFFFF	#000000	##000000
##51D78E	1.00	1.83	11.46	11.46
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.46	21.00	1.00	1.00
##000000	11.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C789

Deuteranopia (green-blind)

#C4BA93

Tritanopia (blue-blind)

#09D5C4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d78e;
/* rgb */ color: rgb(81, 215, 142);
/* oklch */ color: oklch(78.7% 0.157 155.9);

Tailwind

colors: {
  custom: {
    50: '#8fe4af',
    500: '#51d78e',
    950: '#000000',
  },
}

SCSS

$custom: #51d78e;
$custom-light: #8fe4af;
$custom-dark: #000000;

JSON

{
  "hex": "#51d78e",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 142
  },
  "hsl": {
    "h": 147.313,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78739,
    "c": 0.15742,
    "h": 155.9
  },
  "luminance": 0.52303
}

Semantic roles & 50–950 ramp

primary

#51D78E

secondary

#93396A

accent

#429BE6

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D78E

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

Preview Lab → · Contrast checker → · Palette generator →