#51D5CA#51D5CA

#51D5CA is a light, moderate teal. Relative luminance 0.536; OKLCH L 79.8% C 0.115 H 187.4°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#51D5CA
RGB	rgb(81, 213, 202)
HSL	hsl(175, 61%, 58%)
HSV	hsv(175, 62%, 84%)
CMYK	cmyk(62%, 0%, 5.2%, 16.5%)
CIE-LAB	lab(78.23, -38.31, -5.26)
CIE-LCH	lch(78.23, 38.67, 187.82°)
OKLab	oklab(79.82% -0.1145 -0.0148)
OKLCH	oklch(79.82% 0.115 187.4)
XYZ	xyz(37.8434, 53.5980, 64.2167)
Luminance	0.5360 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5CA #D5515C

analogous

#51D588 #51D5CA #519ED5

triadic

#51D5CA #CA51D5 #D5CA51

tetradic

#51D5CA #8851D5 #D5515C #9ED551

square

#51D5CA #8851D5 #D5515C #9ED551

split-complementary

#51D5CA #D5519E #D58851

monochromatic

#218A81 #2DBCB0 #51D5CA #82E1D9 #B4EDE8

Accessibility & contrast

On white

1.79

#51D5CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.72

#51D5CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5CA

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5CA	#FFFFFF	#000000	##000000
##51D5CA	1.00	1.79	11.72	11.72
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.72	21.00	1.00	1.00
##000000	11.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACACA

Deuteranopia (green-blind)

#B6BBCB

Tritanopia (blue-blind)

#00DAD1

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d5ca;
/* rgb */ color: rgb(81, 213, 202);
/* oklch */ color: oklch(79.8% 0.115 187.4);

Tailwind

colors: {
  custom: {
    50: '#90e2da',
    500: '#51d5ca',
    950: '#000000',
  },
}

SCSS

$custom: #51d5ca;
$custom-light: #90e2da;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5ca",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 202
  },
  "hsl": {
    "h": 175,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79816,
    "c": 0.11544,
    "h": 187.4
  },
  "luminance": 0.53602
}

Semantic roles & 50–950 ramp

primary

#51D5CA

secondary

#903A41

accent

#4451E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D5CA

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

Preview Lab → · Contrast checker → · Palette generator →