#51D751#51D751

#51D751 is a light, highly saturated green. Relative luminance 0.509; OKLCH L 77.8% C 0.210 H 143.2°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#51D751
RGB	rgb(81, 215, 81)
HSL	hsl(120, 63%, 58%)
HSV	hsv(120, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 62.3%, 15.7%)
CIE-LAB	lab(76.64, -62.03, 54.02)
CIE-LCH	lch(76.64, 82.26, 138.95°)
OKLab	oklab(77.8% -0.1685 0.126)
OKLCH	oklch(77.8% 0.21 143.2)
XYZ	xyz(29.1773, 50.9414, 16.0780)
Luminance	0.5094 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D751 #D751D7

analogous

#94D751 #51D751 #51D794

triadic

#51D751 #5151D7 #D75151

tetradic

#51D751 #5194D7 #D751D7 #D79451

square

#51D751 #5194D7 #D751D7 #D79451

split-complementary

#51D751 #9451D7 #D75194

monochromatic

#208D20 #2CBF2C #51D751 #83E283 #B5EEB5

Accessibility & contrast

On white

1.88

#51D751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#51D751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D751

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D751	#FFFFFF	#000000	##000000
##51D751	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC441

Deuteranopia (green-blind)

#CBB95C

Tritanopia (blue-blind)

#36D1BB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d751;
/* rgb */ color: rgb(81, 215, 81);
/* oklch */ color: oklch(77.8% 0.210 143.2);

Tailwind

colors: {
  custom: {
    50: '#90e487',
    500: '#51d751',
    950: '#000000',
  },
}

SCSS

$custom: #51d751;
$custom-light: #90e487;
$custom-dark: #000000;

JSON

{
  "hex": "#51d751",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.77801,
    "c": 0.21036,
    "h": 143.2
  },
  "luminance": 0.50944
}

Semantic roles & 50–950 ramp

primary

#51D751

secondary

#933993

accent

#42E6E6

background

#FCFEFC

surface

#F5FCF3

border

#CFD5CD

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D751

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

Preview Lab → · Contrast checker → · Palette generator →