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Recognised as Colour

#17CEE1

  • #17CEE1
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#17CEE1 is a cyan with RGB values 23, 206, 225 and HSL 186°, 81%, 49%. It is a dark colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#17CEE1#17CEE1
HEX#17CEE1
RGBrgb(23, 206, 225)
RGB (0–1)0.0902, 0.8078, 0.8824
RGB percentages9%, 80.8%, 88.2%
HSLhsl(185.6, 81.5%, 48.6%)
HSV / HSBhsv(185.6, 89.8%, 88.2%)
CMYK89.8%, 8.4%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,560,289
CSS custom property--colour: #17CEE1;

Brightness & contrast

Relative luminance0.49761WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.95:1
Contrast with white1.92:1WCAG normal text: Fail
Contrast with black10.95:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#E8311E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBC5E2no red cones; affects about 1% of men; ΔE 37.5 from the original
Deuteranopia#A2B3E1no green cones; the most common form, about 1% of men; ΔE 39.1 from the original
Tritanopia#00D8D4no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.92:1WCAG large text: Fail
Contrast with black, large text10.95:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 9.5Medium turquoise · ΔE 13.2Light seagreen · ΔE 18.2Sky blue · ΔE 19.8Turquoise · ΔE 20.4Aqua · ΔE 21.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 9.53, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E12A17
Analogous#17E18F, #1769E1
Triadic#E117CE, #CEE117
Split complementary#E11769, #E18F17
Tetradic#8F17E1, #E12A17, #69E117

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAF5FA
Lighter +30%#9CEDF5
Lighter +20%#6EE4F0
Lighter +10%#40DBEB
Darker −10%#12A4B3
Darker −20%#0E7984
Darker −30%#094F56
Darker −40%#042528
More saturated +25%#00E1F8
Less saturated −25%#36B5C2

Channel breakdown

R23
G206
B225
Red23 (9%)
Green206 (80.8%)
Blue225 (88.2%)
Hue185.64°
Saturation (HSL)81.45%
Lightness48.63%
Dominant channelBlue
Hex per channelR 17 · G CE · B E1

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Every value on this page was computed from “17cee1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.