#51F664#51F664

#51F664 is a very light, highly saturated green. Relative luminance 0.686; OKLCH L 85.8% C 0.233 H 145.0°. Best body text is #000000 at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#51F664
RGB	rgb(81, 246, 100)
HSL	hsl(127, 90%, 64%)
HSV	hsv(127, 67%, 96%)
CMYK	cmyk(67.1%, 0%, 59.3%, 3.5%)
CIE-LAB	lab(86.29, -70.50, 56.82)
CIE-LCH	lch(86.29, 90.55, 141.13°)
OKLab	oklab(85.84% -0.1906 0.1337)
OKLCH	oklch(85.84% 0.233 145)
XYZ	xyz(38.6468, 68.5768, 23.2541)
Luminance	0.6858 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F664 #F651E3

analogous

#91F651 #51F664 #51F6B7

triadic

#51F664 #6451F6 #F66451

tetradic

#51F664 #5191F6 #F651E3 #F6B751

square

#51F664 #5191F6 #F651E3 #F6B751

split-complementary

#51F664 #B751F6 #F65191

monochromatic

#0AC31F #17F330 #51F664 #8BF998 #C5FCCC

Accessibility & contrast

On white

1.43

#51F664 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.72

#51F664 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F664

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F664	#FFFFFF	#000000	##000000
##51F664	1.00	1.43	14.72	14.72
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.72	21.00	1.00	1.00
##000000	14.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE054

Deuteranopia (green-blind)

#E6D370

Tritanopia (blue-blind)

#19F0D7

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51f664;
/* rgb */ color: rgb(81, 246, 100);
/* oklch */ color: oklch(85.8% 0.233 145.0);

Tailwind

colors: {
  custom: {
    50: '#95fa95',
    500: '#51f664',
    950: '#000000',
  },
}

SCSS

$custom: #51f664;
$custom-light: #95fa95;
$custom-dark: #000000;

JSON

{
  "hex": "#51f664",
  "rgb": {
    "r": 81,
    "g": 246,
    "b": 100
  },
  "hsl": {
    "h": 126.909,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.85839,
    "c": 0.23281,
    "h": 145
  },
  "luminance": 0.68581
}

Semantic roles & 50–950 ramp

primary

#51F664

secondary

#C02BAF

accent

#00CBE6

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #51F664

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

Preview Lab → · Contrast checker → · Palette generator →