Colour

#37E8FF

#37E8FF
Cyan
Light
Nearest: Dark turquoise

#37E8FF is a cyan with RGB values 55, 232, 255 and HSL 187°, 100%, 61%. It is a light colour, so black text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#37E8FF#37E8FF

HEX#37E8FF

RGBrgb(55, 232, 255)

RGB (0–1)0.2157, 0.9098, 1

RGB percentages21.6%, 91%, 100%

HSLhsl(186.9, 100%, 60.8%)

HSV / HSBhsv(186.9, 78.4%, 100%)

CMYK78.4%, 9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,664,127

CSS custom property--colour: #37E8FF;

Brightness & contrast

Relative luminance0.65745WCAG 2.x, 0 is black and 1 is white

Perceived brightness199.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 14.15:1

Contrast with white1.48:1WCAG normal text: Fail

Contrast with black14.15:1WCAG normal text: AAA

Greyscale equivalent#C4C4C4

Inverted#C81700

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D3DFFFno red cones; affects about 1% of men; ΔE 38.4 from the original

Deuteranopia#B8CCFFno green cones; the most common form, about 1% of men; ΔE 39.9 from the original

Tritanopia#00F3EFno blue cones; rare, and affects men and women equally; ΔE 17.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.48:1WCAG large text: Fail

Contrast with black, large text14.15:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 14.6 Aqua · ΔE 17.1 Cyan · ΔE 17.1 Medium turquoise · ΔE 17.3 Sky blue · ΔE 21.3 Turquoise · ΔE 21.7

Nearest named CSS colourDark turquoise (#00CED1)ΔE 14.64, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FF4E37

Analogous#37FFB2, #3784FF

Triadic#FF37E8, #E8FF37

Split complementary#FF3784, #FFB237

Tetradic#B237FF, #FF4E37, #84FF37

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#D0FAFF

Lighter +20%#9DF4FF

Lighter +10%#6AEEFF

Darker −10%#04E2FF

Darker −20%#00B8D0

Darker −30%#008B9D

Darker −40%#005E6A

More saturated +25%#37E8FF

Less saturated −25%#50D5E6

Channel breakdown

R55

G232

B255

Red55 (21.6%)

Green232 (91%)

Blue255 (100%)

Hue186.9°

Saturation (HSL)100%

Lightness60.78%

Dominant channelBlue

Hex per channelR 37 · G E8 · B FF

Keep nerding

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#37E8FF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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