#51CFD5#51CFD5

#51CFD5 is a light, moderate teal. Relative luminance 0.512; OKLCH L 78.8% C 0.110 H 199.6°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#51CFD5
RGB	rgb(81, 207, 213)
HSL	hsl(183, 61%, 58%)
HSV	hsv(183, 62%, 84%)
CMYK	cmyk(62%, 2.8%, 0%, 16.5%)
CIE-LAB	lab(76.78, -32.53, -13.32)
CIE-LCH	lch(76.78, 35.15, 202.27°)
OKLab	oklab(78.76% -0.1036 -0.0369)
OKLCH	oklch(78.76% 0.11 199.6)
XYZ	xyz(37.7112, 51.1750, 70.8282)
Luminance	0.5118 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFD5 #D55751

analogous

#51D599 #51CFD5 #518DD5

triadic

#51CFD5 #D551CF #CFD551

tetradic

#51CFD5 #9951D5 #D55751 #8DD551

square

#51CFD5 #9951D5 #D55751 #8DD551

split-complementary

#51CFD5 #D5518D #D59951

monochromatic

#21858A #2DB5BC #51CFD5 #82DDE1 #B4EAED

Accessibility & contrast

On white

1.87

#51CFD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#51CFD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFD5

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFD5	#FFFFFF	#000000	##000000
##51CFD5	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C6D6

Deuteranopia (green-blind)

#ADB7D6

Tritanopia (blue-blind)

#00D6D0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51cfd5;
/* rgb */ color: rgb(81, 207, 213);
/* oklch */ color: oklch(78.8% 0.110 199.6);

Tailwind

colors: {
  custom: {
    50: '#91dee1',
    500: '#51cfd5',
    950: '#000000',
  },
}

SCSS

$custom: #51cfd5;
$custom-light: #91dee1;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfd5",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 213
  },
  "hsl": {
    "h": 182.727,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78755,
    "c": 0.10999,
    "h": 199.6
  },
  "luminance": 0.51179
}

Semantic roles & 50–950 ramp

primary

#51CFD5

secondary

#903E3A

accent

#4B44E4

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51CFD5

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

Preview Lab → · Contrast checker → · Palette generator →