#51CFF6#51CFF6

#51CFF6 is a light, vivid cyan. Relative luminance 0.530; OKLCH L 80.0% C 0.122 H 222.1°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#51CFF6
RGB	rgb(81, 207, 246)
HSL	hsl(194, 90%, 64%)
HSV	hsv(194, 67%, 96%)
CMYK	cmyk(67.1%, 15.9%, 0%, 3.5%)
CIE-LAB	lab(77.89, -22.85, -29.35)
CIE-LCH	lch(77.89, 37.20, 232.10°)
OKLab	oklab(80.01% -0.0906 -0.0819)
OKLCH	oklch(80.01% 0.122 222.1)
XYZ	xyz(42.3339, 53.0241, 95.1745)
Luminance	0.5303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFF6 #F67851

analogous

#51F6CB #51CFF6 #517DF6

triadic

#51CFF6 #F651CF #CFF651

tetradic

#51CFF6 #CB51F6 #F67851 #7DF651

square

#51CFF6 #CB51F6 #F67851 #7DF651

split-complementary

#51CFF6 #F6517D #F6CB51

monochromatic

#0A97C3 #17BFF3 #51CFF6 #8BDFF9 #C5EFFC

Accessibility & contrast

On white

1.81

#51CFF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#51CFF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFF6

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFF6	#FFFFFF	#000000	##000000
##51CFF6	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8CAF8

Deuteranopia (green-blind)

#A1B9F6

Tritanopia (blue-blind)

#00DBDB

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51cff6;
/* rgb */ color: rgb(81, 207, 246);
/* oklch */ color: oklch(80.0% 0.122 222.1);

Tailwind

colors: {
  custom: {
    50: '#94ddf9',
    500: '#51cff6',
    950: '#000000',
  },
}

SCSS

$custom: #51cff6;
$custom-light: #94ddf9;
$custom-dark: #000000;

JSON

{
  "hex": "#51cff6",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 246
  },
  "hsl": {
    "h": 194.182,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.8001,
    "c": 0.12219,
    "h": 222.1
  },
  "luminance": 0.53029
}

Semantic roles & 50–950 ramp

primary

#51CFF6

secondary

#C04E2B

accent

#3600E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #51CFF6

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

Preview Lab → · Contrast checker → · Palette generator →