#51D78A#51D78A

#51D78A is a light, vivid green. Relative luminance 0.522; OKLCH L 78.7% C 0.161 H 154.7°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#51D78A
RGB	rgb(81, 215, 138)
HSL	hsl(146, 63%, 58%)
HSV	hsv(146, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 35.8%, 15.7%)
CIE-LAB	lab(77.39, -53.70, 27.48)
CIE-LCH	lch(77.39, 60.32, 152.90°)
OKLab	oklab(78.66% -0.1455 0.0689)
OKLCH	oklch(78.66% 0.161 154.7)
XYZ	xyz(32.2785, 52.1819, 32.4109)
Luminance	0.5219 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D78A #D7519E

analogous

#5BD751 #51D78A #51D7CD

triadic

#51D78A #8A51D7 #D78A51

tetradic

#51D78A #515BD7 #D7519E #D7CD51

square

#51D78A #515BD7 #D7519E #D7CD51

split-complementary

#51D78A #CD51D7 #D7515B

monochromatic

#208D4F #2CBF6A #51D78A #83E2AB #B5EECD

Accessibility & contrast

On white

1.84

#51D78A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#51D78A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D78A

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D78A	#FFFFFF	#000000	##000000
##51D78A	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C785

Deuteranopia (green-blind)

#C5BA8F

Tritanopia (blue-blind)

#11D5C3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d78a;
/* rgb */ color: rgb(81, 215, 138);
/* oklch */ color: oklch(78.7% 0.161 154.7);

Tailwind

colors: {
  custom: {
    50: '#8fe4ac',
    500: '#51d78a',
    950: '#000000',
  },
}

SCSS

$custom: #51d78a;
$custom-light: #8fe4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#51d78a",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 138
  },
  "hsl": {
    "h": 145.522,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78658,
    "c": 0.16102,
    "h": 154.7
  },
  "luminance": 0.52185
}

Semantic roles & 50–950 ramp

primary

#51D78A

secondary

#93396D

accent

#42A0E6

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D78A

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

Preview Lab → · Contrast checker → · Palette generator →