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Recognised as Colour

#51CEC7

  • #51CEC7
  • Cyan
  • Light
  • Nearest: Medium turquoise

#51CEC7 is a cyan with RGB values 81, 206, 199 and HSL 177°, 56%, 56%. It is a light colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Medium turquoise.

Colour values

#51CEC7#51CEC7
HEX#51CEC7
RGBrgb(81, 206, 199)
RGB (0–1)0.3176, 0.8078, 0.7804
RGB percentages31.8%, 80.8%, 78%
HSLhsl(176.6, 56.1%, 56.3%)
HSV / HSBhsv(176.6, 60.7%, 80.8%)
CMYK60.7%, 0%, 3.4%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,361,351
CSS custom property--colour: #51CEC7;

Brightness & contrast

Relative luminance0.50015WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11:1
Contrast with white1.91:1WCAG normal text: Fail
Contrast with black11:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#AE3138

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3C4C7no red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#AFB6C8no green cones; the most common form, about 1% of men; ΔE 37.3 from the original
Tritanopia#00D3CCno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.91:1WCAG large text: Fail
Contrast with black, large text11:1WCAG large text: AAA

Named colours

Medium turquoise · ΔE 2.3Dark turquoise · ΔE 7.9Turquoise · ΔE 10.1Light seagreen · ΔE 10.4Medium aquamarine · ΔE 15.3Aqua · ΔE 20.7
Nearest named CSS colourMedium turquoise (#48D1CC)ΔE 2.26, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE5158
Analogous#51CE89, #5197CE
Triadic#C751CE, #CEC751
Split complementary#CE5197, #CE8851
Tetradic#8951CE, #CE5158, #97CE51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0FBFA
Lighter +30%#C8F0ED
Lighter +20%#A1E4E1
Lighter +10%#79D9D4
Darker −10%#34B8B1
Darker −20%#29908B
Darker −30%#1D6964
Darker −40%#12413E
More saturated +25%#35EAE0
Less saturated −25%#6DB2AE

Channel breakdown

R81
G206
B199
Red81 (31.8%)
Green206 (80.8%)
Blue199 (78%)
Hue176.64°
Saturation (HSL)56.05%
Lightness56.27%
Dominant channelGreen
Hex per channelR 51 · G CE · B C7

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Every value on this page was computed from “51cec7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.