#51C1CD#51C1CD

#51C1CD is a light, moderate teal. Relative luminance 0.443; OKLCH L 75.2% C 0.102 H 205.0°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX#51C1CD
RGBrgb(81, 193, 205)
HSLhsl(186, 55%, 56%)
HSVhsv(186, 60%, 80%)
CMYKcmyk(60.5%, 5.9%, 0%, 19.6%)
CIE-LABlab(72.42, -28.03, -15.54)
CIE-LCHlch(72.42, 32.05, 209.01°)
OKLaboklab(75.15% -0.0924 -0.043)
OKLCHoklch(75.15% 0.102 205)
XYZxyz(33.4781, 44.2936, 64.5310)
Luminance0.4430 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C1CD #CD5D51
analogous
#51CD9B #51C1CD #5183CD
triadic
#51C1CD #CD51C1 #C1CD51
tetradic
#51C1CD #9B51CD #CD5D51 #83CD51
square
#51C1CD #9B51CD #CD5D51 #83CD51
split-complementary
#51C1CD #CD5183 #CD9B51
monochromatic
#25767F #32A3AF #51C1CD #81D2DB #B0E3E8

Accessibility & contrast

On white

2.13
#51C1CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.86
#51C1CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C1CD
9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C1CD#FFFFFF#000000##000000
##51C1CD1.002.139.869.86
#FFFFFF2.131.0021.0021.00
#0000009.8621.001.001.00
##0000009.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B3BACE
Deuteranopia (green-blind)
#A0ACCD
Tritanopia (blue-blind)
#00C8C4
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #51c1cd;
/* rgb */ color: rgb(81, 193, 205);
/* oklch */ color: oklch(75.2% 0.102 205.0);
Tailwind
colors: {
  custom: {
    50: '#8fd4dc',
    500: '#51c1cd',
    950: '#000000',
  },
}
SCSS
$custom: #51c1cd;
$custom-light: #8fd4dc;
$custom-dark: #000000;
JSON
{
  "hex": "#51c1cd",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 205
  },
  "hsl": {
    "h": 185.806,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75153,
    "c": 0.10192,
    "h": 205
  },
  "luminance": 0.44297
}

Semantic roles & 50–950 ramp

primary
#51C1CD
secondary
#D7A8A3
accent
#5849DF
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383

Preview Lab

Preview with #51C1CD

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

Preview Lab → · Contrast checker → · Palette generator →

#51C1CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva