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Recognised as Colour

#33B09D

  • #33B09D
  • Cyan
  • Dark
  • Nearest: Light seagreen

#33B09D is a cyan with RGB values 51, 176, 157 and HSL 171°, 55%, 45%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#33B09D#33B09D
HEX#33B09D
RGBrgb(51, 176, 157)
RGB (0–1)0.2, 0.6902, 0.6157
RGB percentages20%, 69%, 61.6%
HSLhsl(170.9, 55.1%, 44.5%)
HSV / HSBhsv(170.9, 71%, 69%)
CMYK71%, 0%, 10.8%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,387,549
CSS custom property--colour: #33B09D;

Brightness & contrast

Relative luminance0.34189WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.84:1
Contrast with white2.68:1WCAG normal text: Fail
Contrast with black7.84:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#CC4F62

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A8A59Cno red cones; affects about 1% of men; ΔE 38 from the original
Deuteranopia#97999Fno green cones; the most common form, about 1% of men; ΔE 38.8 from the original
Tritanopia#00B3AAno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.68:1WCAG large text: Fail
Contrast with black, large text7.84:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.3Medium aquamarine · ΔE 13.5Medium turquoise · ΔE 14.4Dark turquoise · ΔE 17Dark cyan · ΔE 17.4Turquoise · ΔE 17.7
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.33, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B03346
Analogous#33B05E, #3385B0
Triadic#9D33B0, #B09D33
Split complementary#B03385, #B05E33
Tetradic#5E33B0, #B03346, #85B033

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2EDE7
Lighter +30%#9AE2D7
Lighter +20%#73D6C7
Lighter +10%#4BCBB7
Darker −10%#28887A
Darker −20%#1C6156
Darker −30%#113933
Darker −40%#051210
More saturated +25%#17CCB1
Less saturated −25%#4F9489

Channel breakdown

R51
G176
B157
Red51 (20%)
Green176 (69%)
Blue157 (61.6%)
Hue170.88°
Saturation (HSL)55.07%
Lightness44.51%
Dominant channelGreen
Hex per channelR 33 · G B0 · B 9D

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Every value on this page was computed from “33b09d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.