#51D4E5#51D4E5

#51D4E5 is a light, moderate teal. Relative luminance 0.545; OKLCH L 80.5% C 0.115 H 207.2°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#51D4E5
RGB	rgb(81, 212, 229)
HSL	hsl(187, 74%, 61%)
HSV	hsv(187, 65%, 90%)
CMYK	cmyk(64.6%, 7.4%, 0%, 10.2%)
CIE-LAB	lab(78.75, -30.37, -18.95)
CIE-LCH	lch(78.75, 35.80, 211.96°)
OKLab	oklab(80.51% -0.1021 -0.0526)
OKLCH	oklch(80.51% 0.115 207.2)
XYZ	xyz(41.0737, 54.4889, 82.4663)
Luminance	0.5449 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4E5 #E56251

analogous

#51E5AC #51D4E5 #518AE5

triadic

#51D4E5 #E551D4 #D4E551

tetradic

#51D4E5 #AC51E5 #E56251 #8AE551

square

#51D4E5 #AC51E5 #E56251 #8AE551

split-complementary

#51D4E5 #E5518A #E5AC51

monochromatic

#1893A3 #20C3D8 #51D4E5 #86E1ED #BBEEF5

Accessibility & contrast

On white

1.76

#51D4E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#51D4E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4E5

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4E5	#FFFFFF	#000000	##000000
##51D4E5	1.00	1.76	11.90	11.90
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CCE6

Deuteranopia (green-blind)

#ADBCE5

Tritanopia (blue-blind)

#00DDD9

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d4e5;
/* rgb */ color: rgb(81, 212, 229);
/* oklch */ color: oklch(80.5% 0.115 207.2);

Tailwind

colors: {
  custom: {
    50: '#93e1ed',
    500: '#51d4e5',
    950: '#000000',
  },
}

SCSS

$custom: #51d4e5;
$custom-light: #93e1ed;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4e5",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 229
  },
  "hsl": {
    "h": 186.892,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.80505,
    "c": 0.11488,
    "h": 207.2
  },
  "luminance": 0.54493
}

Semantic roles & 50–950 ramp

primary

#51D4E5

secondary

#A64235

accent

#260FD6

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D4E5

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

Preview Lab → · Contrast checker → · Palette generator →