#51D5DA#51D5DA

#51D5DA is a light, moderate teal. Relative luminance 0.544; OKLCH L 80.3% C 0.114 H 198.7°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#51D5DA
RGB	rgb(81, 213, 218)
HSL	hsl(182, 65%, 59%)
HSV	hsv(182, 63%, 85%)
CMYK	cmyk(62.8%, 2.3%, 0%, 14.5%)
CIE-LAB	lab(78.69, -33.97, -13.14)
CIE-LCH	lch(78.69, 36.42, 201.15°)
OKLab	oklab(80.35% -0.1077 -0.0364)
OKLCH	oklch(80.35% 0.114 198.7)
XYZ	xyz(39.8370, 54.3955, 74.7160)
Luminance	0.5440 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5DA #DA5651

analogous

#51DA9A #51D5DA #5190DA

triadic

#51D5DA #DA51D5 #D5DA51

tetradic

#51D5DA #9A51DA #DA5651 #90DA51

square

#51D5DA #9A51DA #DA5651 #90DA51

split-complementary

#51D5DA #DA5190 #DA9A51

monochromatic

#1F8D92 #2ABEC4 #51D5DA #83E1E5 #B6EDEF

Accessibility & contrast

On white

1.77

#51D5DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#51D5DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5DA

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5DA	#FFFFFF	#000000	##000000
##51D5DA	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7CCDB

Deuteranopia (green-blind)

#B2BCDB

Tritanopia (blue-blind)

#00DCD6

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d5da;
/* rgb */ color: rgb(81, 213, 218);
/* oklch */ color: oklch(80.3% 0.114 198.7);

Tailwind

colors: {
  custom: {
    50: '#92e2e5',
    500: '#51d5da',
    950: '#000000',
  },
}

SCSS

$custom: #51d5da;
$custom-light: #92e2e5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5da",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 218
  },
  "hsl": {
    "h": 182.19,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.80347,
    "c": 0.11366,
    "h": 198.7
  },
  "luminance": 0.544
}

Semantic roles & 50–950 ramp

primary

#51D5DA

secondary

#973C39

accent

#4640E8

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D5DA

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

Preview Lab → · Contrast checker → · Palette generator →