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Recognised as Colour

#33CBB5

  • #33CBB5
  • Cyan
  • Dark
  • Nearest: Turquoise

#33CBB5 is a cyan with RGB values 51, 203, 181 and HSL 171°, 60%, 50%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#33CBB5#33CBB5
HEX#33CBB5
RGBrgb(51, 203, 181)
RGB (0–1)0.2, 0.7961, 0.7098
RGB percentages20%, 79.6%, 71%
HSLhsl(171.3, 59.8%, 49.8%)
HSV / HSBhsv(171.3, 74.9%, 79.6%)
CMYK74.9%, 0%, 10.8%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,394,485
CSS custom property--colour: #33CBB5;

Brightness & contrast

Relative luminance0.46752WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.35:1
Contrast with white2.03:1WCAG normal text: Fail
Contrast with black10.35:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#CC344A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2BFB4no red cones; affects about 1% of men; ΔE 43.3 from the original
Deuteranopia#AEB0B7no green cones; the most common form, about 1% of men; ΔE 44.5 from the original
Tritanopia#00CFC4no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.03:1WCAG large text: Fail
Contrast with black, large text10.35:1WCAG large text: AAA

Named colours

Turquoise · ΔE 8.2Medium aquamarine · ΔE 10.2Medium turquoise · ΔE 10.7Light seagreen · ΔE 12Dark turquoise · ΔE 13.9Aquamarine · ΔE 20.6
Nearest named CSS colourTurquoise (#40E0D0)ΔE 8.2, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB3349
Analogous#33CB69, #3395CB
Triadic#B533CB, #CBB533
Split complementary#CB3395, #CB6933
Tetradic#6933CB, #CB3349, #95CB33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5F5F0
Lighter +30%#ADEAE1
Lighter +20%#84E0D3
Lighter +10%#5BD6C4
Darker −10%#29A291
Darker −20%#1F796C
Darker −30%#145148
Darker −40%#0A2824
More saturated +25%#13EBCC
Less saturated −25%#53AB9E

Channel breakdown

R51
G203
B181
Red51 (20%)
Green203 (79.6%)
Blue181 (71%)
Hue171.32°
Saturation (HSL)59.84%
Lightness49.8%
Dominant channelGreen
Hex per channelR 33 · G CB · B B5

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Every value on this page was computed from “33cbb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.