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Recognised as Colour

#33B273

  • #33B273
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#33B273 is a cyan with RGB values 51, 178, 115 and HSL 150°, 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 Medium seagreen.

Colour values

#33B273#33B273
HEX#33B273
RGBrgb(51, 178, 115)
RGB (0–1)0.2, 0.698, 0.451
RGB percentages20%, 69.8%, 45.1%
HSLhsl(150.2, 55.5%, 44.9%)
HSV / HSBhsv(150.2, 71.3%, 69.8%)
CMYK71.3%, 0%, 35.4%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,388,019
CSS custom property--colour: #33B273;

Brightness & contrast

Relative luminance0.33782WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.76:1
Contrast with white2.71:1WCAG normal text: Fail
Contrast with black7.76:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#CC4D8C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1A46Fno red cones; affects about 1% of men; ΔE 46.3 from the original
Deuteranopia#A19977no green cones; the most common form, about 1% of men; ΔE 46.5 from the original
Tritanopia#00B1A2no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.71:1WCAG large text: Fail
Contrast with black, large text7.76:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 2Sea green · ΔE 16.4Medium aquamarine · ΔE 20.8Light green · ΔE 26.2Dark seagreen · ΔE 26.6Forest green · ΔE 26.6
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 1.97, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B23372
Analogous#33B234, #33B2B2
Triadic#7333B2, #B27333
Split complementary#B233B2, #B23433
Tetradic#3333B2, #B23372, #B2B233

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3EED9
Lighter +30%#9CE2BF
Lighter +20%#74D7A6
Lighter +10%#4CCC8D
Darker −10%#288A59
Darker −20%#1C6340
Darker −30%#113B26
Darker −40%#06130D
More saturated +25%#16CF73
Less saturated −25%#509573

Channel breakdown

R51
G178
B115
Red51 (20%)
Green178 (69.8%)
Blue115 (45.1%)
Hue150.24°
Saturation (HSL)55.46%
Lightness44.9%
Dominant channelGreen
Hex per channelR 33 · G B2 · B 73

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Every value on this page was computed from “33b273” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.