#51D9CC#51D9CC

#51D9CC is a light, moderate teal. Relative luminance 0.557; OKLCH L 80.8% C 0.118 H 186.2°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#51D9CC
RGB	rgb(81, 217, 204)
HSL	hsl(174, 64%, 58%)
HSV	hsv(174, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 6%, 14.9%)
CIE-LAB	lab(79.46, -39.60, -4.51)
CIE-LCH	lch(79.46, 39.86, 186.50°)
OKLab	oklab(80.84% -0.1177 -0.0128)
OKLCH	oklch(80.84% 0.118 186.2)
XYZ	xyz(39.1003, 55.7304, 65.8114)
Luminance	0.5574 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9CC #D9515E

analogous

#51D988 #51D9CC #51A2D9

triadic

#51D9CC #CC51D9 #D9CC51

tetradic

#51D9CC #8851D9 #D9515E #A2D951

square

#51D9CC #8851D9 #D9515E #A2D951

split-complementary

#51D9CC #D951A2 #D98851

monochromatic

#1F9085 #2AC2B4 #51D9CC #83E4DB #B5EFE9

Accessibility & contrast

On white

1.73

#51D9CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#51D9CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9CC

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9CC	#FFFFFF	#000000	##000000
##51D9CC	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECECC

Deuteranopia (green-blind)

#BABFCE

Tritanopia (blue-blind)

#00DED5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9cc;
/* rgb */ color: rgb(81, 217, 204);
/* oklch */ color: oklch(80.8% 0.118 186.2);

Tailwind

colors: {
  custom: {
    50: '#91e5db',
    500: '#51d9cc',
    950: '#000000',
  },
}

SCSS

$custom: #51d9cc;
$custom-light: #91e5db;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9cc",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 204
  },
  "hsl": {
    "h": 174.265,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80836,
    "c": 0.11841,
    "h": 186.2
  },
  "luminance": 0.55735
}

Semantic roles & 50–950 ramp

primary

#51D9CC

secondary

#953942

accent

#4151E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D9CC

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

Preview Lab → · Contrast checker → · Palette generator →