#51C0CA#51C0CA

#51C0CA is a light, moderate teal. Relative luminance 0.437; OKLCH L 74.8% C 0.101 H 203.4°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#51C0CA
RGB	rgb(81, 192, 202)
HSL	hsl(185, 53%, 55%)
HSV	hsv(185, 60%, 79%)
CMYK	cmyk(59.9%, 5%, 0%, 20.8%)
CIE-LAB	lab(72.03, -28.39, -14.49)
CIE-LCH	lch(72.03, 31.88, 207.04°)
OKLab	oklab(74.81% -0.0926 -0.0401)
OKLCH	oklch(74.81% 0.101 203.4)
XYZ	xyz(32.8992, 43.7095, 62.5686)
Luminance	0.4371 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C0CA #CA5B51

analogous

#51CA98 #51C0CA #5183CA

triadic

#51C0CA #CA51C0 #C0CA51

tetradic

#51C0CA #9851CA #CA5B51 #83CA51

square

#51C0CA #9851CA #CA5B51 #83CA51

split-complementary

#51C0CA #CA5183 #CA9851

monochromatic

#25747B #34A0AA #51C0CA #80D1D8 #AFE2E7

Accessibility & contrast

On white

2.16

#51C0CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#51C0CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C0CA

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C0CA	#FFFFFF	#000000	##000000
##51C0CA	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B9CB

Deuteranopia (green-blind)

#A0ABCA

Tritanopia (blue-blind)

#00C7C3

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51c0ca;
/* rgb */ color: rgb(81, 192, 202);
/* oklch */ color: oklch(74.8% 0.101 203.4);

Tailwind

colors: {
  custom: {
    50: '#8ed3da',
    500: '#51c0ca',
    950: '#000000',
  },
}

SCSS

$custom: #51c0ca;
$custom-light: #8ed3da;
$custom-dark: #000000;

JSON

{
  "hex": "#51c0ca",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 202
  },
  "hsl": {
    "h": 184.959,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74807,
    "c": 0.1009,
    "h": 203.4
  },
  "luminance": 0.43713
}

Semantic roles & 50–950 ramp

primary

#51C0CA

secondary

#D5A6A2

accent

#574BDD

background

#F9FDFD

surface

#F2FAFA

border

#CCD3D3

text

#0D1414

muted

#7E8383

Preview Lab

Preview with #51C0CA

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

Preview Lab → · Contrast checker → · Palette generator →