#51F2E5#51F2E5

#51F2E5 is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.5% C 0.133 H 187.3°. Best body text is #000000 at 15.18:1 contrast (WCAG AA passes).

Color values

HEX#51F2E5
RGBrgb(81, 242, 229)
HSLhsl(175, 86%, 63%)
HSVhsv(175, 67%, 95%)
CMYKcmyk(66.5%, 0%, 5.4%, 5.1%)
CIE-LABlab(87.44, -44.17, -5.96)
CIE-LCHlch(87.44, 44.57, 187.68°)
OKLaboklab(87.54% -0.1319 -0.0168)
OKLCHoklch(87.54% 0.133 187.3)
XYZxyz(49.2818, 70.9051, 85.2023)
Luminance0.7091 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F2E5 #F2515E
analogous
#51F294 #51F2E5 #51AEF2
triadic
#51F2E5 #E551F2 #F2E551
tetradic
#51F2E5 #9451F2 #F2515E #AEF251
square
#51F2E5 #9451F2 #F2515E #AEF251
split-complementary
#51F2E5 #F251AE #F29451
monochromatic
#0EBBAD #18EEDC #51F2E5 #8AF6EE #C3FBF6

Accessibility & contrast

On white

1.38
#51F2E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.18
#51F2E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F2E5
15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F2E5#FFFFFF#000000##000000
##51F2E51.001.3815.1815.18
#FFFFFF1.381.0021.0021.00
#00000015.1821.001.001.00
##00000015.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5E5E5
Deuteranopia (green-blind)
#CED4E7
Tritanopia (blue-blind)
#00F8EE
Achromatopsia (no color)
#DBDBDB

Design tokens & code

CSS
--color: #51f2e5;
/* rgb */ color: rgb(81, 242, 229);
/* oklch */ color: oklch(87.5% 0.133 187.3);
Tailwind
colors: {
  custom: {
    50: '#96f7ed',
    500: '#51f2e5',
    950: '#000000',
  },
}
SCSS
$custom: #51f2e5;
$custom-light: #96f7ed;
$custom-dark: #000000;
JSON
{
  "hex": "#51f2e5",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 229
  },
  "hsl": {
    "h": 175.155,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.87544,
    "c": 0.13293,
    "h": 187.3
  },
  "luminance": 0.70911
}

Semantic roles & 50–950 ramp

primary
#51F2E5
secondary
#B92E39
accent
#0315E3
background
#FCFFFE
surface
#F5FFFD
border
#CFD7D5
text
#0F1716
muted
#808584

Preview Lab

Preview with #51F2E5

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

Preview Lab → · Contrast checker → · Palette generator →

#51F2E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva