#51D0DA#51D0DA

#51D0DA is a light, moderate teal. Relative luminance 0.519; OKLCH L 79.2% C 0.111 H 202.5°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#51D0DA
RGB	rgb(81, 208, 218)
HSL	hsl(184, 65%, 59%)
HSV	hsv(184, 63%, 85%)
CMYK	cmyk(62.8%, 4.6%, 0%, 14.5%)
CIE-LAB	lab(77.23, -31.60, -15.34)
CIE-LCH	lch(77.23, 35.12, 205.89°)
OKLab	oklab(79.17% -0.1026 -0.0425)
OKLCH	oklch(79.17% 0.111 202.5)
XYZ	xyz(38.5987, 51.9189, 74.3032)
Luminance	0.5192 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D0DA #DA5B51

analogous

#51DA9F #51D0DA #518BDA

triadic

#51D0DA #DA51D0 #D0DA51

tetradic

#51D0DA #9F51DA #DA5B51 #8BDA51

square

#51D0DA #9F51DA #DA5B51 #8BDA51

split-complementary

#51D0DA #DA518B #DA9F51

monochromatic

#1F8992 #2AB9C4 #51D0DA #83DEE5 #B6EBEF

Accessibility & contrast

On white

1.84

#51D0DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#51D0DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D0DA

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D0DA	#FFFFFF	#000000	##000000
##51D0DA	1.00	1.84	11.38	11.38
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C8DB

Deuteranopia (green-blind)

#ACB8DB

Tritanopia (blue-blind)

#00D8D3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d0da;
/* rgb */ color: rgb(81, 208, 218);
/* oklch */ color: oklch(79.2% 0.111 202.5);

Tailwind

colors: {
  custom: {
    50: '#91dee5',
    500: '#51d0da',
    950: '#000000',
  },
}

SCSS

$custom: #51d0da;
$custom-light: #91dee5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d0da",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 218
  },
  "hsl": {
    "h": 184.38,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79168,
    "c": 0.11102,
    "h": 202.5
  },
  "luminance": 0.51923
}

Semantic roles & 50–950 ramp

primary

#51D0DA

secondary

#973F39

accent

#4C40E8

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D0DA

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

Preview Lab → · Contrast checker → · Palette generator →