#51C7CC#51C7CC

#51C7CC is a light, moderate teal. Relative luminance 0.470; OKLCH L 76.5% C 0.105 H 199.1°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#51C7CC
RGB	rgb(81, 199, 204)
HSL	hsl(182, 55%, 56%)
HSV	hsv(182, 60%, 80%)
CMYK	cmyk(60.3%, 2.5%, 0%, 20%)
CIE-LAB	lab(74.16, -31.22, -12.39)
CIE-LCH	lch(74.16, 33.59, 201.65°)
OKLab	oklab(76.54% -0.0991 -0.0343)
OKLCH	oklch(76.54% 0.105 199.1)
XYZ	xyz(34.7112, 46.9522, 64.3484)
Luminance	0.4696 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C7CC #CC5651

analogous

#51CC93 #51C7CC #5189CC

triadic

#51C7CC #CC51C7 #C7CC51

tetradic

#51C7CC #9351CC #CC5651 #89CC51

square

#51C7CC #9351CC #CC5651 #89CC51

split-complementary

#51C7CC #CC5189 #CC9351

monochromatic

#257A7E #33A8AD #51C7CC #80D6DA #B0E5E8

Accessibility & contrast

On white

2.02

#51C7CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#51C7CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7CC

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C7CC	#FFFFFF	#000000	##000000
##51C7CC	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BABFCD

Deuteranopia (green-blind)

#A7B0CD

Tritanopia (blue-blind)

#00CEC8

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c7cc;
/* rgb */ color: rgb(81, 199, 204);
/* oklch */ color: oklch(76.5% 0.105 199.1);

Tailwind

colors: {
  custom: {
    50: '#8fd8db',
    500: '#51c7cc',
    950: '#000000',
  },
}

SCSS

$custom: #51c7cc;
$custom-light: #8fd8db;
$custom-dark: #000000;

JSON

{
  "hex": "#51c7cc",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 204
  },
  "hsl": {
    "h": 182.439,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76542,
    "c": 0.10487,
    "h": 199.1
  },
  "luminance": 0.46956
}

Semantic roles & 50–950 ramp

primary

#51C7CC

secondary

#D6A5A3

accent

#504ADE

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C7CC

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

Preview Lab → · Contrast checker → · Palette generator →