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Recognised as Colour

#51FAC8

  • #51FAC8
  • Cyan
  • Light
  • Nearest: Aquamarine

#51FAC8 is a cyan with RGB values 81, 250, 200 and HSL 162°, 94%, 65%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#51FAC8#51FAC8
HEX#51FAC8
RGBrgb(81, 250, 200)
RGB (0–1)0.3176, 0.9804, 0.7843
RGB percentages31.8%, 98%, 78.4%
HSLhsl(162.2, 94.4%, 64.9%)
HSV / HSBhsv(162.2, 67.6%, 98%)
CMYK67.6%, 0%, 20%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,372,616
CSS custom property--colour: #51FAC8;

Brightness & contrast

Relative luminance0.74291WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.86:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.86:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#AE0537

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F3E9C5no red cones; affects about 1% of men; ΔE 52.9 from the original
Deuteranopia#DDD9CBno green cones; the most common form, about 1% of men; ΔE 53.8 from the original
Tritanopia#00FBECno blue cones; rare, and affects men and women equally; ΔE 18.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.86:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 9.8Turquoise · ΔE 20.3Medium aquamarine · ΔE 21.3Medium spring green · ΔE 26.4Aqua · ΔE 26.5Cyan · ΔE 26.5
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 9.77, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA5183
Analogous#51FA73, #51D7FA
Triadic#C851FA, #FAC851
Split complementary#FA51D7, #FA7351
Tetradic#7451FA, #FA5183, #D8FA51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6FEF7
Lighter +20%#B4FDE7
Lighter +10%#83FBD8
Darker −10%#1FF9B8
Darker −20%#06DF9F
Darker −30%#05AD7B
Darker −40%#047B58
More saturated +25%#4CFFCA
Less saturated −25%#67E4BF

Channel breakdown

R81
G250
B200
Red81 (31.8%)
Green250 (98%)
Blue200 (78.4%)
Hue162.25°
Saturation (HSL)94.41%
Lightness64.9%
Dominant channelGreen
Hex per channelR 51 · G FA · B C8

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Every value on this page was computed from “51fac8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.