#51E0F2#51E0F2

#51E0F2 is a very light, vivid teal. Relative luminance 0.615; OKLCH L 83.8% C 0.122 H 207.0°. Best body text is #000000 at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#51E0F2
RGB	rgb(81, 224, 242)
HSL	hsl(187, 86%, 63%)
HSV	hsv(187, 67%, 95%)
CMYK	cmyk(66.5%, 7.4%, 0%, 5.1%)
CIE-LAB	lab(82.63, -32.36, -20.00)
CIE-LCH	lch(82.63, 38.04, 211.71°)
OKLab	oklab(83.78% -0.1088 -0.0555)
OKLCH	oklch(83.78% 0.122 207)
XYZ	xyz(46.0691, 61.4663, 93.4234)
Luminance	0.6147 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E0F2 #F26351

analogous

#51F2B3 #51E0F2 #518FF2

triadic

#51E0F2 #F251E0 #E0F251

tetradic

#51E0F2 #B351F2 #F26351 #8FF251

square

#51E0F2 #B351F2 #F26351 #8FF251

split-complementary

#51E0F2 #F2518F #F2B351

monochromatic

#0EA7BB #18D6EE #51E0F2 #8AEAF6 #C3F4FB

Accessibility & contrast

On white

1.58

#51E0F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.29

#51E0F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E0F2

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E0F2	#FFFFFF	#000000	##000000
##51E0F2	1.00	1.58	13.29	13.29
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.29	21.00	1.00	1.00
##000000	13.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CED8F3

Deuteranopia (green-blind)

#B6C6F2

Tritanopia (blue-blind)

#00E9E5

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e0f2;
/* rgb */ color: rgb(81, 224, 242);
/* oklch */ color: oklch(83.8% 0.122 207.0);

Tailwind

colors: {
  custom: {
    50: '#95eaf6',
    500: '#51e0f2',
    950: '#000000',
  },
}

SCSS

$custom: #51e0f2;
$custom-light: #95eaf6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e0f2",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 242
  },
  "hsl": {
    "h": 186.708,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.83776,
    "c": 0.12218,
    "h": 207
  },
  "luminance": 0.61471
}

Semantic roles & 50–950 ramp

primary

#51E0F2

secondary

#B93E2E

accent

#1C03E3

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E0F2

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

Preview Lab → · Contrast checker → · Palette generator →