#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
RGBrgb(81, 246, 99)
HSLhsl(127, 90%, 64%)
HSVhsv(127, 67%, 96%)
CMYKcmyk(67.1%, 0%, 59.8%, 3.5%)
CIE-LABlab(86.28, -70.61, 57.24)
CIE-LCHlch(86.28, 90.90, 140.97°)
OKLaboklab(85.83% -0.191 0.1345)
OKLCHoklch(85.83% 0.234 144.8)
XYZxyz(38.5987, 68.5576, 23.0007)
Luminance0.6856 (WCAG relative)
Temperatureneutral
Familygreen

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
##51F6631.001.4314.7114.71
#FFFFFF1.431.0021.0021.00
#00000014.7121.001.001.00
##00000014.7121.001.001.00

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 →

#51F663 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva