#51D4DA#51D4DA

#51D4DA is a light, moderate teal. Relative luminance 0.539; OKLCH L 80.1% C 0.113 H 199.4°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#51D4DA
RGB	rgb(81, 212, 218)
HSL	hsl(183, 65%, 59%)
HSV	hsv(183, 63%, 85%)
CMYK	cmyk(62.8%, 2.8%, 0%, 14.5%)
CIE-LAB	lab(78.40, -33.50, -13.58)
CIE-LCH	lch(78.40, 36.15, 202.07°)
OKLab	oklab(80.11% -0.1066 -0.0376)
OKLCH	oklch(80.11% 0.113 199.4)
XYZ	xyz(39.5862, 53.8940, 74.6324)
Luminance	0.5390 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4DA #DA5751

analogous

#51DA9B #51D4DA #518FDA

triadic

#51D4DA #DA51D4 #D4DA51

tetradic

#51D4DA #9B51DA #DA5751 #8FDA51

square

#51D4DA #9B51DA #DA5751 #8FDA51

split-complementary

#51D4DA #DA518F #DA9B51

monochromatic

#1F8D92 #2ABDC4 #51D4DA #83E0E5 #B6EDEF

Accessibility & contrast

On white

1.78

#51D4DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#51D4DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4DA

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4DA	#FFFFFF	#000000	##000000
##51D4DA	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CBDB

Deuteranopia (green-blind)

#B1BBDB

Tritanopia (blue-blind)

#00DBD5

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4da;
/* rgb */ color: rgb(81, 212, 218);
/* oklch */ color: oklch(80.1% 0.113 199.4);

Tailwind

colors: {
  custom: {
    50: '#92e1e5',
    500: '#51d4da',
    950: '#000000',
  },
}

SCSS

$custom: #51d4da;
$custom-light: #92e1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4da",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 218
  },
  "hsl": {
    "h": 182.628,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.80111,
    "c": 0.11309,
    "h": 199.4
  },
  "luminance": 0.53898
}

Semantic roles & 50–950 ramp

primary

#51D4DA

secondary

#973D39

accent

#4740E8

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D4DA

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

Preview Lab → · Contrast checker → · Palette generator →