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Recognised as Colour

#64C9CC

  • #64C9CC
  • Cyan
  • Dark
  • Nearest: Medium turquoise

#64C9CC is a cyan with RGB values 100, 201, 204 and HSL 182°, 50%, 60%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#64C9CC#64C9CC
HEX#64C9CC
RGBrgb(100, 201, 204)
RGB (0–1)0.3922, 0.7882, 0.8
RGB percentages39.2%, 78.8%, 80%
HSLhsl(181.7, 50.5%, 59.6%)
HSV / HSBhsv(181.7, 51%, 80%)
CMYK51%, 1.5%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,605,260
CSS custom property--colour: #64C9CC;

Brightness & contrast

Relative luminance0.48842WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.77:1
Contrast with white1.95:1WCAG normal text: Fail
Contrast with black10.77:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#9B3633

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDC1CCno red cones; affects about 1% of men; ΔE 29.8 from the original
Deuteranopia#ACB4CDno green cones; the most common form, about 1% of men; ΔE 31.1 from the original
Tritanopia#14CFCAno blue cones; rare, and affects men and women equally; ΔE 13.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.95:1WCAG large text: Fail
Contrast with black, large text10.77:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 9.2Dark turquoise · ΔE 11.9Light seagreen · ΔE 13.8Cadetblue · ΔE 17Pale turquoise · ΔE 17.7Sky blue · ΔE 17.8
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 9.21, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC6764
Analogous#64CC9B, #6495CC
Triadic#CC64C9, #C9CC64
Split complementary#CC6495, #CC9B64
Tetradic#9B64CC, #CC6764, #95CC64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#D7F1F2
Lighter +20%#B1E4E5
Lighter +10%#8AD6D9
Darker −10%#3FBBBE
Darker −20%#329598
Darker −30%#256F72
Darker −40%#194A4B
More saturated +25%#4AE1E6
Less saturated −25%#7EB1B2

Channel breakdown

R100
G201
B204
Red100 (39.2%)
Green201 (78.8%)
Blue204 (80%)
Hue181.73°
Saturation (HSL)50.49%
Lightness59.61%
Dominant channelBlue
Hex per channelR 64 · G C9 · B CC

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Every value on this page was computed from “64c9cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.