#51C7DE#51C7DE

#51C7DE is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.2% C 0.109 H 212.8°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#51C7DE
RGBrgb(81, 199, 222)
HSLhsl(190, 68%, 59%)
HSVhsv(190, 64%, 87%)
CMYKcmyk(63.5%, 10.4%, 0%, 12.9%)
CIE-LABlab(74.74, -26.05, -21.26)
CIE-LCHlch(74.74, 33.63, 219.22°)
OKLaboklab(77.2% -0.0918 -0.059)
OKLCHoklch(77.2% 0.109 212.8)
XYZxyz(36.9961, 47.8661, 76.3824)
Luminance0.4787 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C7DE #DE6851
analogous
#51DEAE #51C7DE #5181DE
triadic
#51C7DE #DE51C7 #C7DE51
tetradic
#51C7DE #AE51DE #DE6851 #81DE51
square
#51C7DE #AE51DE #DE6851 #81DE51
split-complementary
#51C7DE #DE5181 #DEAE51
monochromatic
#1D8498 #27B0CB #51C7DE #84D8E8 #B8E8F2

Accessibility & contrast

On white

1.99
#51C7DE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.57
#51C7DE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7DE
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C7DE#FFFFFF#000000##000000
##51C7DE1.001.9910.5710.57
#FFFFFF1.991.0021.0021.00
#00000010.5721.001.001.00
##00000010.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5C1DF
Deuteranopia (green-blind)
#A1B1DE
Tritanopia (blue-blind)
#00D0CE
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51c7de;
/* rgb */ color: rgb(81, 199, 222);
/* oklch */ color: oklch(77.2% 0.109 212.8);
Tailwind
colors: {
  custom: {
    50: '#91d8e8',
    500: '#51c7de',
    950: '#000000',
  },
}
SCSS
$custom: #51c7de;
$custom-light: #91d8e8;
$custom-dark: #000000;
JSON
{
  "hex": "#51c7de",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 222
  },
  "hsl": {
    "h": 189.787,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.77204,
    "c": 0.10913,
    "h": 212.8
  },
  "luminance": 0.4787
}

Semantic roles & 50–950 ramp

primary
#51C7DE
secondary
#E1B3AA
accent
#593DEB
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0E1416
muted
#7E8384

Preview Lab

Preview with #51C7DE

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

Preview Lab → · Contrast checker → · Palette generator →

#51C7DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva