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Recognised as Colour

#42E0FA

  • #42E0FA
  • Cyan
  • Light
  • Nearest: Dark turquoise

#42E0FA is a cyan with RGB values 66, 224, 250 and HSL 188°, 95%, 62%. It is a light colour, so black text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#42E0FA#42E0FA
HEX#42E0FA
RGBrgb(66, 224, 250)
RGB (0–1)0.2588, 0.8784, 0.9804
RGB percentages25.9%, 87.8%, 98%
HSLhsl(188.5, 94.8%, 62%)
HSV / HSBhsv(188.5, 73.6%, 98%)
CMYK73.6%, 10.4%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,382,970
CSS custom property--colour: #42E0FA;

Brightness & contrast

Relative luminance0.61372WCAG 2.x, 0 is black and 1 is white
Perceived brightness194.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.27:1
Contrast with white1.58:1WCAG normal text: Fail
Contrast with black13.27:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#BD1F05

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CBD8FCno red cones; affects about 1% of men; ΔE 35.5 from the original
Deuteranopia#B2C6FAno green cones; the most common form, about 1% of men; ΔE 36.9 from the original
Tritanopia#00EBE8no blue cones; rare, and affects men and women equally; ΔE 19 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.58:1WCAG large text: Fail
Contrast with black, large text13.27:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 15.4Sky blue · ΔE 17.7Medium turquoise · ΔE 17.8Aqua · ΔE 21Cyan · ΔE 21Light skyblue · ΔE 21.7
Nearest named CSS colourDark turquoise (#00CED1)ΔE 15.38, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FA5C42
Analogous#42FAB8, #4284FA
Triadic#FA42E0, #E0FA42
Split complementary#FA4284, #FAB842
Tetradic#B842FA, #FA5C42, #84FA42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D7F8FE
Lighter +20%#A5F0FD
Lighter +10%#74E8FB
Darker −10%#10D8F9
Darker −20%#06B4D0
Darker −30%#04899F
Darker −40%#035E6D
More saturated +25%#3DE4FF
Less saturated −25%#5ACFE2

Channel breakdown

R66
G224
B250
Red66 (25.9%)
Green224 (87.8%)
Blue250 (98%)
Hue188.48°
Saturation (HSL)94.85%
Lightness61.96%
Dominant channelBlue
Hex per channelR 42 · G E0 · B FA

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Every value on this page was computed from “42e0fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.