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Recognised as Colour

#33DDA4

  • #33DDA4
  • Cyan
  • Light
  • Nearest: Aquamarine

#33DDA4 is a cyan with RGB values 51, 221, 164 and HSL 160°, 71%, 53%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#33DDA4#33DDA4
HEX#33DDA4
RGBrgb(51, 221, 164)
RGB (0–1)0.2, 0.8667, 0.6431
RGB percentages20%, 86.7%, 64.3%
HSLhsl(159.9, 71.4%, 53.3%)
HSV / HSBhsv(159.9, 76.9%, 86.7%)
CMYK76.9%, 0%, 25.8%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,399,076
CSS custom property--colour: #33DDA4;

Brightness & contrast

Relative luminance0.55097WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.02:1
Contrast with white1.75:1WCAG normal text: Fail
Contrast with black12.02:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#CC225B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D8CDA1no red cones; affects about 1% of men; ΔE 52.8 from the original
Deuteranopia#C4BEA8no green cones; the most common form, about 1% of men; ΔE 53.8 from the original
Tritanopia#00DDCDno blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.75:1WCAG large text: Fail
Contrast with black, large text12.02:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 17.4Medium seagreen · ΔE 17.5Medium aquamarine · ΔE 18.9Turquoise · ΔE 23.1Light green · ΔE 23.8Medium spring green · ΔE 23.9
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 17.41, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD336C
Analogous#33DD4F, #33C1DD
Triadic#A433DD, #DDA433
Split complementary#DD33C1, #DD4F33
Tetradic#4F33DD, #DD336C, #C1DD33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2FAF2
Lighter +30%#B6F3DF
Lighter +20%#8AECCB
Lighter +10%#5FE4B7
Darker −10%#20BD88
Darker −20%#189269
Darker −30%#11664A
Darker −40%#0A3A2A
More saturated +25%#15FBAE
Less saturated −25%#51BF9A

Channel breakdown

R51
G221
B164
Red51 (20%)
Green221 (86.7%)
Blue164 (64.3%)
Hue159.88°
Saturation (HSL)71.43%
Lightness53.33%
Dominant channelGreen
Hex per channelR 33 · G DD · B A4

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Every value on this page was computed from “33dda4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.