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Recognised as Colour

#91E9DF

  • #91E9DF
  • Cyan
  • Light
  • Nearest: Pale turquoise

#91E9DF is a cyan with RGB values 145, 233, 223 and HSL 173°, 67%, 74%. It is a light colour, so black text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Pale turquoise.

Colour values

#91E9DF#91E9DF
HEX#91E9DF
RGBrgb(145, 233, 223)
RGB (0–1)0.5686, 0.9137, 0.8745
RGB percentages56.9%, 91.4%, 87.5%
HSLhsl(173.2, 66.7%, 74.1%)
HSV / HSBhsv(173.2, 37.8%, 91.4%)
CMYK37.8%, 0%, 4.3%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,562,591
CSS custom property--colour: #91E9DF;

Brightness & contrast

Relative luminance0.69625WCAG 2.x, 0 is black and 1 is white
Perceived brightness209.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.93:1
Contrast with white1.41:1WCAG normal text: Fail
Contrast with black14.93:1WCAG normal text: AAA
Greyscale equivalent#D6D6D6
Inverted#6E1620

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E1E0DFno red cones; affects about 1% of men; ΔE 29.3 from the original
Deuteranopia#D1D5E0no green cones; the most common form, about 1% of men; ΔE 29.6 from the original
Tritanopia#70EDE6no blue cones; rare, and affects men and women equally; ΔE 8.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.41:1WCAG large text: Fail
Contrast with black, large text14.93:1WCAG large text: AAA

Named colours

Pale turquoise · ΔE 10.1Medium turquoise · ΔE 14Powder blue · ΔE 15.3Turquoise · ΔE 16.4Medium aquamarine · ΔE 18.9Dark turquoise · ΔE 19
Nearest named CSS colourPale turquoise (#AFEEEE)ΔE 10.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9919B
Analogous#91E9B3, #91C7E9
Triadic#DF91E9, #E9DF91
Split complementary#E991C7, #E9B391
Tetradic#B391E9, #E9919B, #C7E991

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E6FAF8
Lighter +10%#BCF2EB
Darker −10%#67E1D3
Darker −20%#3CD8C6
Darker −30%#25BCAA
Darker −40%#1D9184
More saturated +25%#81FAEC
Less saturated −25%#A2D9D2

Channel breakdown

R145
G233
B223
Red145 (56.9%)
Green233 (91.4%)
Blue223 (87.5%)
Hue173.18°
Saturation (HSL)66.67%
Lightness74.12%
Dominant channelGreen
Hex per channelR 91 · G E9 · B DF

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Every value on this page was computed from “91e9df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.