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Colour

#03A866

  • #03A866
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#03A866 is a cyan with RGB values 3, 168, 102 and HSL 156°, 96%, 34%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#03A866#03A866
HEX#03A866
RGBrgb(3, 168, 102)
RGB (0–1)0.0118, 0.6588, 0.4
RGB percentages1.2%, 65.9%, 40%
HSLhsl(156, 96.5%, 33.5%)
HSV / HSBhsv(156, 98.2%, 65.9%)
CMYK98.2%, 0%, 39.3%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer239,718
CSS custom property--colour: #03A866;

Brightness & contrast

Relative luminance0.28984WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.8:1
Contrast with white3.09:1WCAG normal text: Fail
Contrast with black6.8:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#FC5799

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A79A62no red cones; affects about 1% of men; ΔE 49.4 from the original
Deuteranopia#968E6Ano green cones; the most common form, about 1% of men; ΔE 49.6 from the original
Tritanopia#00A797no blue cones; rare, and affects men and women equally; ΔE 28.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.09:1WCAG large text: AA
Contrast with black, large text6.8:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 6.1Sea green · ΔE 16.1Forest green · ΔE 23.5Medium aquamarine · ΔE 25.8Light green · ΔE 29.5Green · ΔE 29.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 6.1, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A80345
Analogous#03A814, #0397A8
Triadic#6603A8, #A86603
Split complementary#A80398, #A81303
Tetradic#1303A8, #A80345, #97A803

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AFDC9
Lighter +30%#48FCB4
Lighter +20%#16FB9F
Lighter +10%#04DA84
Darker −10%#027648
Darker −20%#014429
Darker −30%#00120B
Darker −40%#000000
More saturated +25%#00AB67
Less saturated −25%#189362

Channel breakdown

R3
G168
B102
Red3 (1.2%)
Green168 (65.9%)
Blue102 (40%)
Hue156°
Saturation (HSL)96.49%
Lightness33.53%
Dominant channelGreen
Hex per channelR 03 · G A8 · B 66

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Every value on this page was computed from “03a866” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.