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Recognised as Colour

#01D5DF

  • #01D5DF
  • Cyan
  • Light
  • Nearest: Dark turquoise

#01D5DF is a cyan with RGB values 1, 213, 223 and HSL 183°, 99%, 44%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#01D5DF#01D5DF
HEX#01D5DF
RGBrgb(1, 213, 223)
RGB (0–1)0.0039, 0.8353, 0.8745
RGB percentages0.4%, 83.5%, 87.5%
HSLhsl(182.7, 99.1%, 43.9%)
HSV / HSBhsv(182.7, 99.6%, 87.5%)
CMYK99.6%, 4.5%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer120,287
CSS custom property--colour: #01D5DF;

Brightness & contrast

Relative luminance0.52923WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.58:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.58:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#FE2A20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C4CBE0no red cones; affects about 1% of men; ΔE 41.3 from the original
Deuteranopia#AAB9E0no green cones; the most common form, about 1% of men; ΔE 42.5 from the original
Tritanopia#00DED8no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.81:1WCAG large text: Fail
Contrast with black, large text11.58:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 4.6Medium turquoise · ΔE 9.1Turquoise · ΔE 14.6Light seagreen · ΔE 16.3Aqua · ΔE 16.4Cyan · ΔE 16.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 4.63, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF0B01
Analogous#01DF7A, #0166DF
Triadic#DF01D5, #D5DF01
Split complementary#DF0166, #DF7A01
Tetradic#7A01DF, #DF0B01, #66DF01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADFBFF
Lighter +30%#7BF8FE
Lighter +20%#48F6FE
Lighter +10%#15F3FE
Darker −10%#01A5AC
Darker −20%#017479
Darker −30%#004447
Darker −40%#001314
More saturated +25%#00D6E0
Less saturated −25%#1DBCC3

Channel breakdown

R1
G213
B223
Red1 (0.4%)
Green213 (83.5%)
Blue223 (87.5%)
Hue182.7°
Saturation (HSL)99.11%
Lightness43.92%
Dominant channelBlue
Hex per channelR 01 · G D5 · B DF

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Every value on this page was computed from “01d5df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.