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Recognised as Colour

#40BCA5

  • #40BCA5
  • Cyan
  • Dark
  • Nearest: Light seagreen

#40BCA5 is a cyan with RGB values 64, 188, 165 and HSL 169°, 49%, 49%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#40BCA5#40BCA5
HEX#40BCA5
RGBrgb(64, 188, 165)
RGB (0–1)0.251, 0.7373, 0.6471
RGB percentages25.1%, 73.7%, 64.7%
HSLhsl(168.9, 49.2%, 49.4%)
HSV / HSBhsv(168.9, 66%, 73.7%)
CMYK66%, 0%, 12.2%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,242,597
CSS custom property--colour: #40BCA5;

Brightness & contrast

Relative luminance0.39773WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.95:1
Contrast with white2.35:1WCAG normal text: Fail
Contrast with black8.95:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#BF435A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B5B1A4no red cones; affects about 1% of men; ΔE 39.1 from the original
Deuteranopia#A3A4A7no green cones; the most common form, about 1% of men; ΔE 39.9 from the original
Tritanopia#00BFB5no blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.35:1WCAG large text: Fail
Contrast with black, large text8.95:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 9Medium aquamarine · ΔE 9.3Medium turquoise · ΔE 12.7Turquoise · ΔE 14Dark turquoise · ΔE 16.3Dark cyan · ΔE 22
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 8.95, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC4057
Analogous#40BC67, #4095BC
Triadic#A540BC, #BCA540
Split complementary#BC4095, #BC6740
Tetradic#6740BC, #BC4057, #95BC40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7F1EC
Lighter +30%#B1E4DB
Lighter +20%#8BD7C9
Lighter +10%#65CAB8
Darker −10%#339684
Darker −20%#267062
Darker −30%#194A41
Darker −40%#0C241F
More saturated +25%#20DCB9
Less saturated −25%#609D91

Channel breakdown

R64
G188
B165
Red64 (25.1%)
Green188 (73.7%)
Blue165 (64.7%)
Hue168.87°
Saturation (HSL)49.21%
Lightness49.41%
Dominant channelGreen
Hex per channelR 40 · G BC · B A5

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Every value on this page was computed from “40bca5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.