Colour

#81FFFB

#81FFFB
Cyan
Light
Nearest: Aqua

#81FFFB is a cyan with RGB values 129, 255, 251 and HSL 178°, 100%, 75%. It is a light colour, so black text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#81FFFB#81FFFB

HEX#81FFFB

RGBrgb(129, 255, 251)

RGB (0–1)0.5059, 1, 0.9843

RGB percentages50.6%, 100%, 98.4%

HSLhsl(178.1, 100%, 75.3%)

HSV / HSBhsv(178.1, 49.4%, 100%)

CMYK49.4%, 0%, 1.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,519,675

CSS custom property--colour: #81FFFB;

Brightness & contrast

Relative luminance0.83152WCAG 2.x, 0 is black and 1 is white

Perceived brightness224.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 17.63:1

Contrast with white1.19:1WCAG normal text: Fail

Contrast with black17.63:1WCAG normal text: AAA

Greyscale equivalent#E4E4E4

Inverted#7E0004

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F2F4FBno red cones; affects about 1% of men; ΔE 37.1 from the original

Deuteranopia#DDE5FCno green cones; the most common form, about 1% of men; ΔE 38 from the original

Tritanopia#2DFFFDno blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.19:1WCAG large text: Fail

Contrast with black, large text17.63:1WCAG large text: AAA

Named colours

Aqua · ΔE 13.3 Cyan · ΔE 13.3 Turquoise · ΔE 15.1 Medium turquoise · ΔE 16.3 Pale turquoise · ΔE 16.9 Dark turquoise · ΔE 18.8

Nearest named CSS colourAqua (#00FFFF)ΔE 13.29, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FF8185

Analogous#81FFBC, #81C4FF

Triadic#FB81FF, #FFFB81

Split complementary#FF81C4, #FFBC81

Tetradic#BC81FF, #FF8185, #C4FF81

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#E7FFFE

Lighter +10%#B4FFFD

Darker −10%#4EFFF9

Darker −20%#1BFFF8

Darker −30%#00E7E0

Darker −40%#00B4AE

More saturated +25%#81FFFB

Less saturated −25%#91EFEC

Channel breakdown

R129

G255

B251

Red129 (50.6%)

Green255 (100%)

Blue251 (98.4%)

Hue178.1°

Saturation (HSL)100%

Lightness75.29%

Dominant channelGreen

Hex per channelR 81 · G FF · B FB

Keep nerding

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

#81FFFB

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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