#51D2DF#51D2DF

#51D2DF is a light, moderate teal. Relative luminance 0.532; OKLCH L 79.8% C 0.113 H 204.6°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#51D2DF
RGB	rgb(81, 210, 223)
HSL	hsl(185, 69%, 60%)
HSV	hsv(185, 64%, 87%)
CMYK	cmyk(63.7%, 5.8%, 0%, 12.5%)
CIE-LAB	lab(77.97, -31.13, -16.90)
CIE-LCH	lch(77.97, 35.43, 208.50°)
OKLab	oklab(79.82% -0.1025 -0.0469)
OKLCH	oklch(79.82% 0.113 204.6)
XYZ	xyz(39.7535, 53.1659, 77.9647)
Luminance	0.5317 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2DF #DF5E51

analogous

#51DFA5 #51D2DF #518BDF

triadic

#51D2DF #DF51D2 #D2DF51

tetradic

#51D2DF #A551DF #DF5E51 #8BDF51

square

#51D2DF #A551DF #DF5E51 #8BDF51

split-complementary

#51D2DF #DF518B #DFA551

monochromatic

#1C8E99 #26BECD #51D2DF #85DFE9 #B8EDF2

Accessibility & contrast

On white

1.81

#51D2DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#51D2DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2DF

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2DF	#FFFFFF	#000000	##000000
##51D2DF	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CAE0

Deuteranopia (green-blind)

#ADBADF

Tritanopia (blue-blind)

#00DAD6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d2df;
/* rgb */ color: rgb(81, 210, 223);
/* oklch */ color: oklch(79.8% 0.113 204.6);

Tailwind

colors: {
  custom: {
    50: '#92e0e9',
    500: '#51d2df',
    950: '#000000',
  },
}

SCSS

$custom: #51d2df;
$custom-light: #92e0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2df",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 223
  },
  "hsl": {
    "h": 185.493,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.79818,
    "c": 0.11275,
    "h": 204.6
  },
  "luminance": 0.5317
}

Semantic roles & 50–950 ramp

primary

#51D2DF

secondary

#9D4037

accent

#4C3CEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D2DF

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

Preview Lab → · Contrast checker → · Palette generator →