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Recognised as Colour

#28C691

  • #28C691
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#28C691 is a cyan with RGB values 40, 198, 145 and HSL 160°, 66%, 47%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28C691#28C691
HEX#28C691
RGBrgb(40, 198, 145)
RGB (0–1)0.1569, 0.7765, 0.5686
RGB percentages15.7%, 77.6%, 56.9%
HSLhsl(159.9, 66.4%, 46.7%)
HSV / HSBhsv(159.9, 79.8%, 77.6%)
CMYK79.8%, 0%, 26.8%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,672,273
CSS custom property--colour: #28C691;

Brightness & contrast

Relative luminance0.42884WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.58:1
Contrast with white2.19:1WCAG normal text: Fail
Contrast with black9.58:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#D7396E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2B78Eno red cones; affects about 1% of men; ΔE 49.7 from the original
Deuteranopia#AFA994no green cones; the most common form, about 1% of men; ΔE 50.5 from the original
Tritanopia#00C6B8no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.19:1WCAG large text: Fail
Contrast with black, large text9.58:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 11.3Medium aquamarine · ΔE 15.8Aquamarine · ΔE 22.3Turquoise · ΔE 23.2Sea green · ΔE 23.7Light seagreen · ΔE 26.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 11.27, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C6285D
Analogous#28C642, #28ACC6
Triadic#9128C6, #C69128
Split complementary#C628AC, #C64228
Tetradic#4228C6, #C6285D, #ACC628

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6F4E4
Lighter +30%#9CEBD1
Lighter +20%#72E2BD
Lighter +10%#47DAA9
Darker −10%#1F9C72
Darker −20%#177153
Darker −30%#0E4734
Darker −40%#061C15
More saturated +25%#0AE49B
Less saturated −25%#46A887

Channel breakdown

R40
G198
B145
Red40 (15.7%)
Green198 (77.6%)
Blue145 (56.9%)
Hue159.87°
Saturation (HSL)66.39%
Lightness46.67%
Dominant channelGreen
Hex per channelR 28 · G C6 · B 91

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Every value on this page was computed from “28c691” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.