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Recognised as Colour

#3FDDE2

  • #3FDDE2
  • Cyan
  • Light
  • Nearest: Dark turquoise

#3FDDE2 is a cyan with RGB values 63, 221, 226 and HSL 182°, 74%, 57%. It is a light colour, so black text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#3FDDE2#3FDDE2
HEX#3FDDE2
RGBrgb(63, 221, 226)
RGB (0–1)0.2471, 0.8667, 0.8863
RGB percentages24.7%, 86.7%, 88.6%
HSLhsl(181.8, 73.8%, 56.7%)
HSV / HSBhsv(181.8, 72.1%, 88.6%)
CMYK72.1%, 2.2%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,185,570
CSS custom property--colour: #3FDDE2;

Brightness & contrast

Relative luminance0.58261WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.65:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.65:1WCAG normal text: AAA
Greyscale equivalent#BCBCBC
Inverted#C0221D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CDD3E3no red cones; affects about 1% of men; ΔE 39.5 from the original
Deuteranopia#B6C1E3no green cones; the most common form, about 1% of men; ΔE 41.4 from the original
Tritanopia#00E5DEno blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.65:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 6Medium turquoise · ΔE 7.1Turquoise · ΔE 11.9Aqua · ΔE 14.5Cyan · ΔE 14.5Light seagreen · ΔE 17
Nearest named CSS colourDark turquoise (#00CED1)ΔE 6.03, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E2443F
Analogous#3FE295, #3F8CE2
Triadic#E23FDD, #DDE23F
Split complementary#E23F8C, #E2953F
Tetradic#953FE2, #E2443F, #8BE23F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0FCFD
Lighter +30%#C4F5F6
Lighter +20%#98EDEF
Lighter +10%#6BE5E9
Darker −10%#1FC9CF
Darker −20%#199EA2
Darker −30%#127376
Darker −40%#0B484A
More saturated +25%#23F7FE
Less saturated −25%#5BC3C6

Channel breakdown

R63
G221
B226
Red63 (24.7%)
Green221 (86.7%)
Blue226 (88.6%)
Hue181.84°
Saturation (HSL)73.76%
Lightness56.67%
Dominant channelBlue
Hex per channelR 3F · G DD · B E2

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Every value on this page was computed from “3fdde2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.