#51F663#51F663

#51F663 is a very light, highly saturated green. Relative luminance 0.686; OKLCH L 85.8% C 0.234 H 144.8°. Best body text is #000000 at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#51F663
RGB	rgb(81, 246, 99)
HSL	hsl(127, 90%, 64%)
HSV	hsv(127, 67%, 96%)
CMYK	cmyk(67.1%, 0%, 59.8%, 3.5%)
CIE-LAB	lab(86.28, -70.61, 57.24)
CIE-LCH	lch(86.28, 90.90, 140.97°)
OKLab	oklab(85.83% -0.191 0.1345)
OKLCH	oklch(85.83% 0.234 144.8)
XYZ	xyz(38.5987, 68.5576, 23.0007)
Luminance	0.6856 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F663 #F651E4

analogous

#92F651 #51F663 #51F6B5

triadic

#51F663 #6351F6 #F66351

tetradic

#51F663 #5192F6 #F651E4 #F6B551

square

#51F663 #5192F6 #F651E4 #F6B551

split-complementary

#51F663 #B551F6 #F65192

monochromatic

#0AC31E #17F32F #51F663 #8BF997 #C5FCCB

Accessibility & contrast

On white

1.43

#51F663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.71

#51F663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F663

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F663	#FFFFFF	#000000	##000000
##51F663	1.00	1.43	14.71	14.71
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.71	21.00	1.00	1.00
##000000	14.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE053

Deuteranopia (green-blind)

#E6D36F

Tritanopia (blue-blind)

#1AF0D6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51f663;
/* rgb */ color: rgb(81, 246, 99);
/* oklch */ color: oklch(85.8% 0.234 144.8);

Tailwind

colors: {
  custom: {
    50: '#95fa94',
    500: '#51f663',
    950: '#000000',
  },
}

SCSS

$custom: #51f663;
$custom-light: #95fa94;
$custom-dark: #000000;

JSON

{
  "hex": "#51f663",
  "rgb": {
    "r": 81,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 126.545,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.85828,
    "c": 0.23356,
    "h": 144.8
  },
  "luminance": 0.68562
}

Semantic roles & 50–950 ramp

primary

#51F663

secondary

#C02BB0

accent

#00CCE6

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51F663

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

Preview Lab → · Contrast checker → · Palette generator →