#51D575#51D575

#51D575 is a light, vivid green. Relative luminance 0.506; OKLCH L 77.8% C 0.178 H 149.3°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#51D575
RGB	rgb(81, 213, 117)
HSL	hsl(136, 61%, 58%)
HSV	hsv(136, 62%, 84%)
CMYK	cmyk(62%, 0%, 45.1%, 16.5%)
CIE-LAB	lab(76.45, -56.56, 36.93)
CIE-LCH	lch(76.45, 67.55, 146.85°)
OKLab	oklab(77.78% -0.1527 0.0906)
OKLCH	oklch(77.78% 0.178 149.3)
XYZ	xyz(30.3962, 50.6192, 24.9948)
Luminance	0.5062 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D575 #D551B1

analogous

#6FD551 #51D575 #51D5B7

triadic

#51D575 #7551D5 #D57551

tetradic

#51D575 #516FD5 #D551B1 #D5B751

square

#51D575 #516FD5 #D551B1 #D5B751

split-complementary

#51D575 #B751D5 #D5516F

monochromatic

#218A3E #2DBC54 #51D575 #82E19C #B4EDC3

Accessibility & contrast

On white

1.89

#51D575 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#51D575 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D575

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D575	#FFFFFF	#000000	##000000
##51D575	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C46E

Deuteranopia (green-blind)

#C6B87C

Tritanopia (blue-blind)

#27D1BE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d575;
/* rgb */ color: rgb(81, 213, 117);
/* oklch */ color: oklch(77.8% 0.178 149.3);

Tailwind

colors: {
  custom: {
    50: '#8fe39e',
    500: '#51d575',
    950: '#000000',
  },
}

SCSS

$custom: #51d575;
$custom-light: #8fe39e;
$custom-dark: #000000;

JSON

{
  "hex": "#51d575",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 117
  },
  "hsl": {
    "h": 136.364,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77775,
    "c": 0.17756,
    "h": 149.3
  },
  "luminance": 0.50622
}

Semantic roles & 50–950 ramp

primary

#51D575

secondary

#903A79

accent

#44B8E4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E150E

muted

#7F847F

Preview Lab

Preview with #51D575

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

Preview Lab → · Contrast checker → · Palette generator →