#51DDCF#51DDCF

#51DDCF is a light, vivid teal. Relative luminance 0.580; OKLCH L 81.9% C 0.121 H 185.8°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#51DDCF
RGB	rgb(81, 221, 207)
HSL	hsl(174, 67%, 59%)
HSV	hsv(174, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 6.3%, 13.3%)
CIE-LAB	lab(80.72, -40.62, -4.26)
CIE-LCH	lch(80.72, 40.84, 185.99°)
OKLab	oklab(81.88% -0.1205 -0.0122)
OKLCH	oklch(81.88% 0.121 185.8)
XYZ	xyz(40.5071, 57.9628, 68.0725)
Luminance	0.5797 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDCF #DD515F

analogous

#51DD89 #51DDCF #51A5DD

triadic

#51DDCF #CF51DD #DDCF51

tetradic

#51DDCF #8951DD #DD515F #A5DD51

square

#51DDCF #8951DD #DD515F #A5DD51

split-complementary

#51DDCF #DD51A5 #DD8951

monochromatic

#1D968A #27C9B9 #51DDCF #84E7DD #B7F1EB

Accessibility & contrast

On white

1.67

#51DDCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.59

#51DDCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDCF

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDCF	#FFFFFF	#000000	##000000
##51DDCF	1.00	1.67	12.59	12.59
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.59	21.00	1.00	1.00
##000000	12.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2D1CF

Deuteranopia (green-blind)

#BDC2D1

Tritanopia (blue-blind)

#00E2D8

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51ddcf;
/* rgb */ color: rgb(81, 221, 207);
/* oklch */ color: oklch(81.9% 0.121 185.8);

Tailwind

colors: {
  custom: {
    50: '#92e8dd',
    500: '#51ddcf',
    950: '#000000',
  },
}

SCSS

$custom: #51ddcf;
$custom-light: #92e8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddcf",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 207
  },
  "hsl": {
    "h": 174,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81884,
    "c": 0.12109,
    "h": 185.8
  },
  "luminance": 0.57967
}

Semantic roles & 50–950 ramp

primary

#51DDCF

secondary

#9B3841

accent

#3E4FEA

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51DDCF

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

Preview Lab → · Contrast checker → · Palette generator →