#51D78F#51D78F

#51D78F is a light, vivid green. Relative luminance 0.523; OKLCH L 78.8% C 0.157 H 156.3°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#51D78F
RGB	rgb(81, 215, 143)
HSL	hsl(148, 63%, 58%)
HSV	hsv(148, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 33.5%, 15.7%)
CIE-LAB	lab(77.48, -52.75, 25.00)
CIE-LCH	lch(77.48, 58.38, 154.64°)
OKLab	oklab(78.76% -0.1433 0.063)
OKLCH	oklch(78.76% 0.157 156.3)
XYZ	xyz(32.6488, 52.3300, 34.3614)
Luminance	0.5233 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D78F #D75199

analogous

#56D751 #51D78F #51D7D2

triadic

#51D78F #8F51D7 #D78F51

tetradic

#51D78F #5156D7 #D75199 #D7D251

square

#51D78F #5156D7 #D75199 #D7D251

split-complementary

#51D78F #D251D7 #D75156

monochromatic

#208D53 #2CBF70 #51D78F #83E2AF #B5EECF

Accessibility & contrast

On white

1.83

#51D78F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#51D78F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D78F

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D78F	#FFFFFF	#000000	##000000
##51D78F	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C78A

Deuteranopia (green-blind)

#C4BA94

Tritanopia (blue-blind)

#07D5C4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d78f;
/* rgb */ color: rgb(81, 215, 143);
/* oklch */ color: oklch(78.8% 0.157 156.3);

Tailwind

colors: {
  custom: {
    50: '#8fe4b0',
    500: '#51d78f',
    950: '#000000',
  },
}

SCSS

$custom: #51d78f;
$custom-light: #8fe4b0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d78f",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 143
  },
  "hsl": {
    "h": 147.761,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.7876,
    "c": 0.15651,
    "h": 156.3
  },
  "luminance": 0.52333
}

Semantic roles & 50–950 ramp

primary

#51D78F

secondary

#933969

accent

#429AE6

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D78F

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

Preview Lab → · Contrast checker → · Palette generator →