Recognised as Colour

#40DADF

#40DADF
Cyan
Light
Nearest: Dark turquoise

#40DADF is a cyan with RGB values 64, 218, 223 and HSL 182°, 71%, 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

#40DADF#40DADF

HEX#40DADF

RGBrgb(64, 218, 223)

RGB (0–1)0.251, 0.8549, 0.8745

RGB percentages25.1%, 85.5%, 87.5%

HSLhsl(181.9, 71.3%, 56.3%)

HSV / HSBhsv(181.9, 71.3%, 87.5%)

CMYK71.3%, 2.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,250,335

CSS custom property--colour: #40DADF;

Brightness & contrast

Relative luminance0.56561WCAG 2.x, 0 is black and 1 is white

Perceived brightness186.5 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#BF2520

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CBD0E0no red cones; affects about 1% of men; ΔE 39.2 from the original

Deuteranopia#B4BFE0no green cones; the most common form, about 1% of men; ΔE 40.6 from the original

Tritanopia#00E2DBno blue cones; rare, and affects men and women equally; ΔE 9.9 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 6.4 Turquoise · ΔE 12.2 Aqua · ΔE 15.6 Cyan · ΔE 15.6 Light seagreen · ΔE 16.1

Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.44, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DF4540

Analogous#40DF95, #408BDF

Triadic#DF40DA, #DADF40

Split complementary#DF408B, #DF9540

Tetradic#9440DF, #DF4540, #8ADF40

Tints, shades & saturation

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

Lighter +40%#EFFCFC

Lighter +30%#C3F3F5

Lighter +20%#97EBEE

Lighter +10%#6CE2E6

Darker −10%#22C5CA

Darker −20%#1B9A9E

Darker −30%#137073

Darker −40%#0C4547

More saturated +25%#24F4FB

Less saturated −25%#5CC0C3

Channel breakdown

R64

G218

B223

Red64 (25.1%)

Green218 (85.5%)

Blue223 (87.5%)

Hue181.89°

Saturation (HSL)71.3%

Lightness56.27%

Dominant channelBlue

Hex per channelR 40 · G DA · B DF

Keep nerding

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

#40DADF

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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