#51D8CA#51D8CA

#51D8CA is a light, moderate teal. Relative luminance 0.551; OKLCH L 80.5% C 0.118 H 185.5°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#51D8CA
RGB	rgb(81, 216, 202)
HSL	hsl(174, 63%, 58%)
HSV	hsv(174, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 6.5%, 15.3%)
CIE-LAB	lab(79.11, -39.67, -3.96)
CIE-LCH	lch(79.11, 39.87, 185.70°)
OKLab	oklab(80.53% -0.1176 -0.0113)
OKLCH	oklch(80.53% 0.118 185.5)
XYZ	xyz(38.6050, 55.1212, 64.4706)
Luminance	0.5513 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8CA #D8515F

analogous

#51D886 #51D8CA #51A2D8

triadic

#51D8CA #CA51D8 #D8CA51

tetradic

#51D8CA #8651D8 #D8515F #A2D851

square

#51D8CA #8651D8 #D8515F #A2D851

split-complementary

#51D8CA #D851A2 #D88651

monochromatic

#208F83 #2BC1B1 #51D8CA #83E3D9 #B5EEE8

Accessibility & contrast

On white

1.75

#51D8CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.03

#51D8CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8CA

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8CA	#FFFFFF	#000000	##000000
##51D8CA	1.00	1.75	12.03	12.03
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.03	21.00	1.00	1.00
##000000	12.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECDCA

Deuteranopia (green-blind)

#B9BECC

Tritanopia (blue-blind)

#00DDD3

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d8ca;
/* rgb */ color: rgb(81, 216, 202);
/* oklch */ color: oklch(80.5% 0.118 185.5);

Tailwind

colors: {
  custom: {
    50: '#91e4da',
    500: '#51d8ca',
    950: '#000000',
  },
}

SCSS

$custom: #51d8ca;
$custom-light: #91e4da;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8ca",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 202
  },
  "hsl": {
    "h": 173.778,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80534,
    "c": 0.1181,
    "h": 185.5
  },
  "luminance": 0.55125
}

Semantic roles & 50–950 ramp

primary

#51D8CA

secondary

#943943

accent

#4153E6

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D8CA

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

Preview Lab → · Contrast checker → · Palette generator →