Colour

#1BDDDF

#1BDDDF
Cyan
Light
Nearest: Dark turquoise

#1BDDDF is a cyan with RGB values 27, 221, 223 and HSL 181°, 78%, 49%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#1BDDDF#1BDDDF

HEX#1BDDDF

RGBrgb(27, 221, 223)

RGB (0–1)0.1059, 0.8667, 0.8745

RGB percentages10.6%, 86.7%, 87.5%

HSLhsl(180.6, 78.4%, 49%)

HSV / HSBhsv(180.6, 87.9%, 87.5%)

CMYK87.9%, 0.9%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,826,271

CSS custom property--colour: #1BDDDF;

Brightness & contrast

Relative luminance0.57274WCAG 2.x, 0 is black and 1 is white

Perceived brightness185.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.45:1

Contrast with white1.69:1WCAG normal text: Fail

Contrast with black12.45:1WCAG normal text: AAA

Greyscale equivalent#B4B4B4

Inverted#E42220

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CDD2DFno red cones; affects about 1% of men; ΔE 43.1 from the original

Deuteranopia#B4C0E0no green cones; the most common form, about 1% of men; ΔE 44.5 from the original

Tritanopia#00E5DDno blue cones; rare, and affects men and women equally; ΔE 6.9 from the original

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

Contrast with white, large text1.69:1WCAG large text: Fail

Contrast with black, large text12.45:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.3 Medium turquoise · ΔE 7.5 Turquoise · ΔE 9.8 Aqua · ΔE 12.5 Cyan · ΔE 12.5 Light seagreen · ΔE 16.7

Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.31, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DF1D1B

Analogous#1BDF7F, #1B7BDF

Triadic#DF1BDD, #DDDF1B

Split complementary#DF1B7B, #DF7F1B

Tetradic#7F1BDF, #DF1D1B, #7BDF1B

Tints, shades & saturation

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

Lighter +40%#CDF9F9

Lighter +30%#A0F3F3

Lighter +20%#72EDEE

Lighter +10%#45E7E8

Darker −10%#15B0B2

Darker −20%#108384

Darker −30%#0A5657

Darker −40%#052929

More saturated +25%#00F7FA

Less saturated −25%#3ABEC0

Channel breakdown

R27

G221

B223

Red27 (10.6%)

Green221 (86.7%)

Blue223 (87.5%)

Hue180.61°

Saturation (HSL)78.4%

Lightness49.02%

Dominant channelBlue

Hex per channelR 1B · G DD · B DF

Keep nerding

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

#1BDDDF

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