Recognised as Colour

#42DADE

#42DADE
Cyan
Light
Nearest: Dark turquoise

#42DADE is a cyan with RGB values 66, 218, 222 and HSL 182°, 70%, 56%. It is a light colour, so black text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#42DADE#42DADE

HEX#42DADE

RGBrgb(66, 218, 222)

RGB (0–1)0.2588, 0.8549, 0.8706

RGB percentages25.9%, 85.5%, 87.1%

HSLhsl(181.5, 70.3%, 56.5%)

HSV / HSBhsv(181.5, 70.3%, 87.1%)

CMYK70.3%, 1.8%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,381,406

CSS custom property--colour: #42DADE;

Brightness & contrast

Relative luminance0.56575WCAG 2.x, 0 is black and 1 is white

Perceived brightness186.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.31:1

Contrast with white1.71:1WCAG normal text: Fail

Contrast with black12.31:1WCAG normal text: AAA

Greyscale equivalent#BABABA

Inverted#BD2521

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CBD0DFno red cones; affects about 1% of men; ΔE 39 from the original

Deuteranopia#B4BFDFno green cones; the most common form, about 1% of men; ΔE 40.4 from the original

Tritanopia#00E1DBno blue cones; rare, and affects men and women equally; ΔE 9 from the original

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

Contrast with white, large text1.71:1WCAG large text: Fail

Contrast with black, large text12.31:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.4 Medium turquoise · ΔE 5.9 Turquoise · ΔE 11.7 Aqua · ΔE 15.6 Cyan · ΔE 15.6 Light seagreen · ΔE 15.8

Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.41, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DE4642

Analogous#42DE94, #428CDE

Triadic#DE42DA, #DADE42

Split complementary#DE428C, #DE9442

Tetradic#9442DE, #DE4642, #8CDE42

Tints, shades & saturation

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

Lighter +40%#F0FCFC

Lighter +30%#C4F3F5

Lighter +20%#99EBED

Lighter +10%#6DE2E6

Darker −10%#23C5CA

Darker −20%#1C9B9E

Darker −30%#147073

Darker −40%#0C4648

More saturated +25%#26F4FA

Less saturated −25%#5EC0C2

Channel breakdown

R66

G218

B222

Red66 (25.9%)

Green218 (85.5%)

Blue222 (87.1%)

Hue181.54°

Saturation (HSL)70.27%

Lightness56.47%

Dominant channelBlue

Hex per channelR 42 · G DA · B DE

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#42DADE

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

Nerdulate something else