#51DDB4#51DDB4

#51DDB4 is a light, vivid teal. Relative luminance 0.568; OKLCH L 81.1% C 0.135 H 170.0°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX#51DDB4
RGBrgb(81, 221, 180)
HSLhsl(162, 67%, 59%)
HSVhsv(162, 63%, 87%)
CMYKcmyk(63.3%, 0%, 18.6%, 13.3%)
CIE-LABlab(80.04, -47.30, 9.11)
CIE-LCHlch(80.04, 48.17, 169.10°)
OKLaboklab(81.11% -0.1325 0.0233)
OKLCHoklch(81.11% 0.135 170)
XYZxyz(37.4839, 56.7535, 52.1502)
Luminance0.5676 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DDB4 #DD517A
analogous
#51DD6E #51DDB4 #51C0DD
triadic
#51DDB4 #B451DD #DDB451
tetradic
#51DDB4 #6E51DD #DD517A #C0DD51
square
#51DDB4 #6E51DD #DD517A #C0DD51
split-complementary
#51DDB4 #DD51C0 #DD6E51
monochromatic
#1D9673 #27C99A #51DDB4 #84E7CA #B7F1E0

Accessibility & contrast

On white

1.70
#51DDB4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.35
#51DDB4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDB4
12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DDB4#FFFFFF#000000##000000
##51DDB41.001.7012.3512.35
#FFFFFF1.701.0021.0021.00
#00000012.3521.001.001.00
##00000012.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7CFB2
Deuteranopia (green-blind)
#C3C1B7
Tritanopia (blue-blind)
#00DED1
Achromatopsia (no color)
#C6C6C6

Design tokens & code

CSS
--color: #51ddb4;
/* rgb */ color: rgb(81, 221, 180);
/* oklch */ color: oklch(81.1% 0.135 170.0);
Tailwind
colors: {
  custom: {
    50: '#90e8ca',
    500: '#51ddb4',
    950: '#000000',
  },
}
SCSS
$custom: #51ddb4;
$custom-light: #90e8ca;
$custom-dark: #000000;
JSON
{
  "hex": "#51ddb4",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 180
  },
  "hsl": {
    "h": 162.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81108,
    "c": 0.13456,
    "h": 170
  },
  "luminance": 0.56758
}

Semantic roles & 50–950 ramp

primary
#51DDB4
secondary
#9B3855
accent
#3E70EA
background
#FCFEFD
surface
#F5FDF9
border
#CFD5D2
text
#0E1613
muted
#7F8482

Preview Lab

Preview with #51DDB4

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

Preview Lab → · Contrast checker → · Palette generator →

#51DDB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva