#51CBB8#51CBB8

#51CBB8 is a light, moderate teal. Relative luminance 0.479; OKLCH L 76.8% C 0.112 H 181.2°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX#51CBB8
RGBrgb(81, 203, 184)
HSLhsl(171, 54%, 56%)
HSVhsv(171, 60%, 80%)
CMYKcmyk(60.1%, 0%, 9.4%, 20.4%)
CIE-LABlab(74.77, -38.44, -0.65)
CIE-LCHlch(74.77, 38.45, 180.97°)
OKLaboklab(76.85% -0.112 -0.0024)
OKLCHoklch(76.85% 0.112 181.2)
XYZxyz(33.3970, 47.9184, 52.8272)
Luminance0.4792 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CBB8 #CB5164
analogous
#51CB7B #51CBB8 #51A1CB
triadic
#51CBB8 #B851CB #CBB851
tetradic
#51CBB8 #7B51CB #CB5164 #A1CB51
square
#51CBB8 #7B51CB #CB5164 #A1CB51
split-complementary
#51CBB8 #CB51A1 #CB7B51
monochromatic
#257C6F #33AC99 #51CBB8 #80D9CB #AFE7DE

Accessibility & contrast

On white

1.98
#51CBB8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.58
#51CBB8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBB8
10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CBB8#FFFFFF#000000##000000
##51CBB81.001.9810.5810.58
#FFFFFF1.981.0021.0021.00
#00000010.5821.001.001.00
##00000010.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3C0B7
Deuteranopia (green-blind)
#B0B2BA
Tritanopia (blue-blind)
#00CEC5
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51cbb8;
/* rgb */ color: rgb(81, 203, 184);
/* oklch */ color: oklch(76.8% 0.112 181.2);
Tailwind
colors: {
  custom: {
    50: '#8edbcd',
    500: '#51cbb8',
    950: '#000000',
  },
}
SCSS
$custom: #51cbb8;
$custom-light: #8edbcd;
$custom-dark: #000000;
JSON
{
  "hex": "#51cbb8",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 184
  },
  "hsl": {
    "h": 170.656,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.7685,
    "c": 0.11203,
    "h": 181.2
  },
  "luminance": 0.47922
}

Semantic roles & 50–950 ramp

primary
#51CBB8
secondary
#D5A3AA
accent
#4A61DD
background
#F9FDFC
surface
#F2FBF9
border
#CCD4D2
text
#0D1513
muted
#7E8382

Preview Lab

Preview with #51CBB8

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

Preview Lab → · Contrast checker → · Palette generator →

#51CBB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva