#51F9CF#51F9CF

#51F9CF is a very light, vivid teal. Relative luminance 0.740; OKLCH L 88.6% C 0.150 H 172.5°. Best body text is #000000 at 15.80:1 contrast (WCAG AA passes).

Color values

HEX#51F9CF
RGBrgb(81, 249, 207)
HSLhsl(165, 93%, 65%)
HSVhsv(165, 67%, 98%)
CMYKcmyk(67.5%, 0%, 16.9%, 2.4%)
CIE-LABlab(88.92, -52.63, 7.68)
CIE-LCHlch(88.92, 53.19, 171.70°)
OKLaboklab(88.57% -0.1483 0.0195)
OKLCHoklch(88.57% 0.15 172.5)
XYZxyz(48.5258, 74.0002, 70.7454)
Luminance0.7401 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F9CF #F9517B
analogous
#51F97B #51F9CF #51CFF9
triadic
#51F9CF #CF51F9 #F9CF51
tetradic
#51F9CF #7B51F9 #F9517B #CFF951
square
#51F9CF #7B51F9 #F9517B #CFF951
split-complementary
#51F9CF #F951CF #F97B51
monochromatic
#07C998 #16F7BF #51F9CF #8CFBDF #C7FDF0

Accessibility & contrast

On white

1.33
#51F9CF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.80
#51F9CF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F9CF
15.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F9CF#FFFFFF#000000##000000
##51F9CF1.001.3315.8015.80
#FFFFFF1.331.0021.0021.00
#00000015.8021.001.001.00
##00000015.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#F1E9CD
Deuteranopia (green-blind)
#DAD8D2
Tritanopia (blue-blind)
#00FBED
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #51f9cf;
/* rgb */ color: rgb(81, 249, 207);
/* oklch */ color: oklch(88.6% 0.150 172.5);
Tailwind
colors: {
  custom: {
    50: '#95fcdd',
    500: '#51f9cf',
    950: '#000000',
  },
}
SCSS
$custom: #51f9cf;
$custom-light: #95fcdd;
$custom-dark: #000000;
JSON
{
  "hex": "#51f9cf",
  "rgb": {
    "r": 81,
    "g": 249,
    "b": 207
  },
  "hsl": {
    "h": 165,
    "s": 93.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.8857,
    "c": 0.1496,
    "h": 172.5
  },
  "luminance": 0.74006
}

Semantic roles & 50–950 ramp

primary
#51F9CF
secondary
#C52950
accent
#0039E6
background
#FCFFFE
surface
#F5FFFC
border
#CFD7D5
text
#0F1815
muted
#808684

Preview Lab

Preview with #51F9CF

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

Preview Lab → · Contrast checker → · Palette generator →

#51F9CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva