#91E8FB#91E8FB

#91E8FB is a very light, moderate cyan. Relative luminance 0.707; OKLCH L 88.3% C 0.088 H 213.1°. Best body text is #000000 at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#91E8FB
RGB	rgb(145, 232, 251)
HSL	hsl(191, 93%, 78%)
HSV	hsv(191, 42%, 98%)
CMYK	cmyk(42.2%, 7.6%, 0%, 1.6%)
CIE-LAB	lab(87.34, -21.46, -17.43)
CIE-LCH	lch(87.34, 27.65, 219.07°)
OKLab	oklab(88.25% -0.0735 -0.0479)
OKLCH	oklch(88.25% 0.088 213.1)
XYZ	xyz(57.9399, 70.6938, 101.8402)
Luminance	0.7070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91E8FB #FBA491

analogous

#91FBD9 #91E8FB #91B3FB

triadic

#91E8FB #FB91E8 #E8FB91

tetradic

#91E8FB #D991FB #FBA491 #B3FB91

square

#91E8FB #D991FB #FBA491 #B3FB91

split-complementary

#91E8FB #FB91B3 #FBD991

monochromatic

#1BCFF7 #56DCF9 #91E8FB #CCF4FD #E1F9FE

Accessibility & contrast

On white

1.39

#91E8FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.14

#91E8FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91E8FB

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91E8FB	#FFFFFF	#000000	##000000
##91E8FB	1.00	1.39	15.14	15.14
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.14	21.00	1.00	1.00
##000000	15.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9E2FC

Deuteranopia (green-blind)

#C8D5FB

Tritanopia (blue-blind)

#62F0EE

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #91e8fb;
/* rgb */ color: rgb(145, 232, 251);
/* oklch */ color: oklch(88.3% 0.088 213.1);

Tailwind

colors: {
  custom: {
    50: '#b6effc',
    500: '#91e8fb',
    950: '#000000',
  },
}

SCSS

$custom: #91e8fb;
$custom-light: #b6effc;
$custom-dark: #000000;

JSON

{
  "hex": "#91e8fb",
  "rgb": {
    "r": 145,
    "g": 232,
    "b": 251
  },
  "hsl": {
    "h": 190.755,
    "s": 92.982,
    "l": 77.647
  },
  "oklch": {
    "l": 0.8825,
    "c": 0.08774,
    "h": 213.1
  },
  "luminance": 0.70698
}

Semantic roles & 50–950 ramp

primary

#91E8FB

secondary

#DB6D55

accent

#2900E6

background

#FDFFFF

surface

#F8FEFF

border

#D1D6D7

text

#121617

muted

#828585

Preview Lab

Preview with #91E8FB

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

Preview Lab → · Contrast checker → · Palette generator →