#5ACFFB#5ACFFB

#5ACFFB is a light, vivid cyan. Relative luminance 0.538; OKLCH L 80.5% C 0.121 H 226.2°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX#5ACFFB
RGBrgb(90, 207, 251)
HSLhsl(196, 95%, 67%)
HSVhsv(196, 64%, 98%)
CMYKcmyk(64.1%, 17.5%, 0%, 1.6%)
CIE-LABlab(78.32, -19.96, -31.33)
CIE-LCHlch(78.32, 37.15, 237.50°)
OKLaboklab(80.49% -0.084 -0.0875)
OKLCHoklch(80.49% 0.121 226.2)
XYZxyz(43.9349, 53.7597, 99.3093)
Luminance0.5376 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5ACFFB #FB865A
analogous
#5AFBD7 #5ACFFB #5A7EFB
triadic
#5ACFFB #FB5ACF #CFFB5A
tetradic
#5ACFFB #D75AFB #FB865A #7EFB5A
square
#5ACFFB #D75AFB #FB865A #7EFB5A
split-complementary
#5ACFFB #FB5A7E #FBD75A
monochromatic
#059DD5 #1EBEFA #5ACFFB #96E0FC #D2F2FE

Accessibility & contrast

On white

1.79
#5ACFFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.75
#5ACFFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5ACFFB
11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5ACFFB#FFFFFF#000000##000000
##5ACFFB1.001.7911.7511.75
#FFFFFF1.791.0021.0021.00
#00000011.7521.001.001.00
##00000011.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7CBFD
Deuteranopia (green-blind)
#A1BBFA
Tritanopia (blue-blind)
#00DCDD
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #5acffb;
/* rgb */ color: rgb(90, 207, 251);
/* oklch */ color: oklch(80.5% 0.121 226.2);
Tailwind
colors: {
  custom: {
    50: '#98ddfc',
    500: '#5acffb',
    950: '#000000',
  },
}
SCSS
$custom: #5acffb;
$custom-light: #98ddfc;
$custom-dark: #000000;
JSON
{
  "hex": "#5acffb",
  "rgb": {
    "r": 90,
    "g": 207,
    "b": 251
  },
  "hsl": {
    "h": 196.398,
    "s": 95.266,
    "l": 66.863
  },
  "oklch": {
    "l": 0.80487,
    "c": 0.12131,
    "h": 226.2
  },
  "luminance": 0.53764
}

Semantic roles & 50–950 ramp

primary
#5ACFFB
secondary
#D0572A
accent
#3F00E6
background
#FCFEFF
surface
#F5FCFF
border
#CFD5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #5ACFFB

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

Preview Lab → · Contrast checker → · Palette generator →

#5ACFFB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva