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Recognised as Colour

#30D9DD

  • #30D9DD
  • Cyan
  • Light
  • Nearest: Dark turquoise

#30D9DD is a cyan with RGB values 48, 217, 221 and HSL 181°, 72%, 53%. It is a light colour, so black text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#30D9DD#30D9DD
HEX#30D9DD
RGBrgb(48, 217, 221)
RGB (0–1)0.1882, 0.851, 0.8667
RGB percentages18.8%, 85.1%, 86.7%
HSLhsl(181.4, 71.8%, 52.7%)
HSV / HSBhsv(181.4, 78.3%, 86.7%)
CMYK78.3%, 1.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,201,501
CSS custom property--colour: #30D9DD;

Brightness & contrast

Relative luminance0.55475WCAG 2.x, 0 is black and 1 is white
Perceived brightness184.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.09:1
Contrast with white1.74:1WCAG normal text: Fail
Contrast with black12.09:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#CF2622

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C9CFDEno red cones; affects about 1% of men; ΔE 40.5 from the original
Deuteranopia#B2BDDEno green cones; the most common form, about 1% of men; ΔE 42.4 from the original
Tritanopia#00E1DAno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.74:1WCAG large text: Fail
Contrast with black, large text12.09:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 4.2Medium turquoise · ΔE 6.3Turquoise · ΔE 11.2Aqua · ΔE 14.9Cyan · ΔE 14.9Light seagreen · ΔE 15.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 4.16, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD3430
Analogous#30DD8B, #3082DD
Triadic#DD30D9, #D9DD30
Split complementary#DD3082, #DD8B30
Tetradic#8B30DD, #DD3430, #83DD30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFF9FA
Lighter +30%#B3F1F3
Lighter +20%#88E9EB
Lighter +10%#5CE1E4
Darker −10%#1FB8BB
Darker −20%#188D8F
Darker −30%#106264
Darker −40%#093738
More saturated +25%#12F6FB
Less saturated −25%#4EBCBF

Channel breakdown

R48
G217
B221
Red48 (18.8%)
Green217 (85.1%)
Blue221 (86.7%)
Hue181.39°
Saturation (HSL)71.78%
Lightness52.75%
Dominant channelBlue
Hex per channelR 30 · G D9 · B DD

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Every value on this page was computed from “30d9dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.