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Recognised as Colour

#01CFDF

  • #01CFDF
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#01CFDF is a cyan with RGB values 1, 207, 223 and HSL 184°, 99%, 44%. 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

#01CFDF#01CFDF
HEX#01CFDF
RGBrgb(1, 207, 223)
RGB (0–1)0.0039, 0.8118, 0.8745
RGB percentages0.4%, 81.2%, 87.5%
HSLhsl(184.3, 99.1%, 43.9%)
HSV / HSBhsv(184.3, 99.6%, 87.5%)
CMYK99.6%, 7.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer118,751
CSS custom property--colour: #01CFDF;

Brightness & contrast

Relative luminance0.4996WCAG 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 10.99:1
Contrast with white1.91:1WCAG normal text: Fail
Contrast with black10.99:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#FE3020

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BCC6E0no red cones; affects about 1% of men; ΔE 38.7 from the original
Deuteranopia#A4B4E0no green cones; the most common form, about 1% of men; ΔE 40.7 from the original
Tritanopia#00D8D4no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.91:1WCAG large text: Fail
Contrast with black, large text10.99:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 7.5Medium turquoise · ΔE 11.7Light seagreen · ΔE 17.1Turquoise · ΔE 18.5Aqua · ΔE 20.1Cyan · ΔE 20.1
Nearest named CSS colourDark turquoise (#00CED1)ΔE 7.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF1101
Analogous#01DF80, #0160DF
Triadic#DF01CF, #CFDF01
Split complementary#DF0160, #DF8001
Tetradic#8001DF, #DF1101, #60DF01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADF9FF
Lighter +30%#7BF5FE
Lighter +20%#48F1FE
Lighter +10%#15EDFE
Darker −10%#01A0AC
Darker −20%#017179
Darker −30%#004247
Darker −40%#001214
More saturated +25%#00D0E0
Less saturated −25%#1DB7C3

Channel breakdown

R1
G207
B223
Red1 (0.4%)
Green207 (81.2%)
Blue223 (87.5%)
Hue184.32°
Saturation (HSL)99.11%
Lightness43.92%
Dominant channelBlue
Hex per channelR 01 · G CF · B DF

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Every value on this page was computed from “01cfdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.