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Colour

#00C1CB

  • #00C1CB
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#00C1CB is a cyan with RGB values 0, 193, 203 and HSL 183°, 100%, 40%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#00C1CB#00C1CB
HEX#00C1CB
RGBrgb(0, 193, 203)
RGB (0–1)0, 0.7569, 0.7961
RGB percentages0%, 75.7%, 79.6%
HSLhsl(183, 100%, 39.8%)
HSV / HSBhsv(183, 100%, 79.6%)
CMYK100%, 4.9%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer49,611
CSS custom property--colour: #00C1CB;

Brightness & contrast

Relative luminance0.42452WCAG 2.x, 0 is black and 1 is white
Perceived brightness163 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.49:1
Contrast with white2.21:1WCAG normal text: Fail
Contrast with black9.49:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#FF3E34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1B8CCno red cones; affects about 1% of men; ΔE 38.1 from the original
Deuteranopia#9AA7CCno green cones; the most common form, about 1% of men; ΔE 39.8 from the original
Tritanopia#00C9C4no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.21:1WCAG large text: Fail
Contrast with black, large text9.49:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 6.5Medium turquoise · ΔE 10Light seagreen · ΔE 11.6Turquoise · ΔE 18Dark cyan · ΔE 21.1Cadetblue · ΔE 21.1
Nearest named CSS colourDark turquoise (#00CED1)ΔE 6.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB0A00
Analogous#00CB70, #005BCB
Triadic#CB00C1, #C1CB00
Split complementary#CB005B, #CB7000
Tetradic#7000CB, #CB0A00, #5BCB00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98FAFF
Lighter +30%#65F7FF
Lighter +20%#32F5FF
Lighter +10%#00F1FE
Darker −10%#009198
Darker −20%#006065
Darker −30%#003032
Darker −40%#000000
More saturated +25%#00C1CB
Less saturated −25%#19AAB2

Channel breakdown

R0
G193
B203
Red0 (0%)
Green193 (75.7%)
Blue203 (79.6%)
Hue182.96°
Saturation (HSL)100%
Lightness39.8%
Dominant channelBlue
Hex per channelR 00 · G C1 · B CB

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Every value on this page was computed from “00c1cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.