#51D4E4#51D4E4

#51D4E4 is a light, moderate teal. Relative luminance 0.544; OKLCH L 80.5% C 0.115 H 206.5°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#51D4E4
RGB	rgb(81, 212, 228)
HSL	hsl(187, 73%, 61%)
HSV	hsv(187, 64%, 89%)
CMYK	cmyk(64.5%, 7%, 0%, 10.6%)
CIE-LAB	lab(78.71, -30.66, -18.47)
CIE-LCH	lch(78.71, 35.79, 211.06°)
OKLab	oklab(80.47% -0.1025 -0.0512)
OKLCH	oklch(80.47% 0.115 206.5)
XYZ	xyz(40.9345, 54.4332, 81.7331)
Luminance	0.5444 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4E4 #E46151

analogous

#51E4AB #51D4E4 #518AE4

triadic

#51D4E4 #E451D4 #D4E451

tetradic

#51D4E4 #AB51E4 #E46151 #8AE451

square

#51D4E4 #AB51E4 #E46151 #8AE451

split-complementary

#51D4E4 #E4518A #E4AB51

monochromatic

#1993A2 #21C3D7 #51D4E4 #86E1EC #BBEEF4

Accessibility & contrast

On white

1.77

#51D4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#51D4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4E4

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4E4	#FFFFFF	#000000	##000000
##51D4E4	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CCE5

Deuteranopia (green-blind)

#ADBCE4

Tritanopia (blue-blind)

#00DDD9

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d4e4;
/* rgb */ color: rgb(81, 212, 228);
/* oklch */ color: oklch(80.5% 0.115 206.5);

Tailwind

colors: {
  custom: {
    50: '#92e1ec',
    500: '#51d4e4',
    950: '#000000',
  },
}

SCSS

$custom: #51d4e4;
$custom-light: #92e1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4e4",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 228
  },
  "hsl": {
    "h": 186.531,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.80469,
    "c": 0.11463,
    "h": 206.5
  },
  "luminance": 0.54438
}

Semantic roles & 50–950 ramp

primary

#51D4E4

secondary

#A44135

accent

#2610D5

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D4E4

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

Preview Lab → · Contrast checker → · Palette generator →