#51D651#51D651

#51D651 is a light, highly saturated green. Relative luminance 0.504; OKLCH L 77.5% C 0.209 H 143.2°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#51D651
RGB	rgb(81, 214, 81)
HSL	hsl(120, 62%, 58%)
HSV	hsv(120, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 62.1%, 16.1%)
CIE-LAB	lab(76.33, -61.68, 53.67)
CIE-LCH	lch(76.33, 81.77, 138.97°)
OKLab	oklab(77.55% -0.1675 0.1252)
OKLCH	oklch(77.55% 0.209 143.2)
XYZ	xyz(28.9235, 50.4337, 15.9934)
Luminance	0.5044 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D651 #D651D6

analogous

#93D651 #51D651 #51D693

triadic

#51D651 #5151D6 #D65151

tetradic

#51D651 #5193D6 #D651D6 #D69351

square

#51D651 #5193D6 #D651D6 #D69351

split-complementary

#51D651 #9351D6 #D65193

monochromatic

#218C21 #2DBD2D #51D651 #83E283 #B4EDB4

Accessibility & contrast

On white

1.89

#51D651 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#51D651 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D651

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D651	#FFFFFF	#000000	##000000
##51D651	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC342

Deuteranopia (green-blind)

#CAB85C

Tritanopia (blue-blind)

#36D0BA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d651;
/* rgb */ color: rgb(81, 214, 81);
/* oklch */ color: oklch(77.5% 0.209 143.2);

Tailwind

colors: {
  custom: {
    50: '#90e487',
    500: '#51d651',
    950: '#000000',
  },
}

SCSS

$custom: #51d651;
$custom-light: #90e487;
$custom-dark: #000000;

JSON

{
  "hex": "#51d651",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77545,
    "c": 0.20916,
    "h": 143.2
  },
  "luminance": 0.50437
}

Semantic roles & 50–950 ramp

primary

#51D651

secondary

#923A92

accent

#43E5E5

background

#FCFEFC

surface

#F5FCF3

border

#CFD5CD

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D651

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

Preview Lab → · Contrast checker → · Palette generator →