#51C8D3#51C8D3

#51C8D3 is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.0% C 0.106 H 203.7°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#51C8D3
RGB	rgb(81, 200, 211)
HSL	hsl(185, 60%, 57%)
HSV	hsv(185, 62%, 83%)
CMYK	cmyk(61.6%, 5.2%, 0%, 17.3%)
CIE-LAB	lab(74.67, -29.73, -15.41)
CIE-LCH	lch(74.67, 33.49, 207.40°)
OKLab	oklab(77.03% -0.0972 -0.0427)
OKLCH	oklch(77.03% 0.106 203.7)
XYZ	xyz(35.8005, 47.7572, 68.9467)
Luminance	0.4776 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8D3 #D35C51

analogous

#51D39D #51C8D3 #5187D3

triadic

#51C8D3 #D351C8 #C8D351

tetradic

#51C8D3 #9D51D3 #D35C51 #87D351

square

#51C8D3 #9D51D3 #D35C51 #87D351

split-complementary

#51C8D3 #D35187 #D39D51

monochromatic

#227F87 #2FADB8 #51C8D3 #82D7DF #B3E7EC

Accessibility & contrast

On white

1.99

#51C8D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#51C8D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8D3

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8D3	#FFFFFF	#000000	##000000
##51C8D3	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C0D4

Deuteranopia (green-blind)

#A6B1D4

Tritanopia (blue-blind)

#00CFCB

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51c8d3;
/* rgb */ color: rgb(81, 200, 211);
/* oklch */ color: oklch(77.0% 0.106 203.7);

Tailwind

colors: {
  custom: {
    50: '#90d9e0',
    500: '#51c8d3',
    950: '#000000',
  },
}

SCSS

$custom: #51c8d3;
$custom-light: #90d9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8d3",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 211
  },
  "hsl": {
    "h": 185.077,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.77028,
    "c": 0.10619,
    "h": 203.7
  },
  "luminance": 0.47761
}

Semantic roles & 50–950 ramp

primary

#51C8D3

secondary

#DAAAA6

accent

#5245E3

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C8D3

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

Preview Lab → · Contrast checker → · Palette generator →