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Colour

#40BB83

  • #40BB83
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#40BB83 is a cyan with RGB values 64, 187, 131 and HSL 153°, 49%, 49%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#40BB83#40BB83
HEX#40BB83
RGBrgb(64, 187, 131)
RGB (0–1)0.251, 0.7333, 0.5137
RGB percentages25.1%, 73.3%, 51.4%
HSLhsl(152.7, 49%, 49.2%)
HSV / HSBhsv(152.7, 65.8%, 73.3%)
CMYK65.8%, 0%, 29.9%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,242,307
CSS custom property--colour: #40BB83;

Brightness & contrast

Relative luminance0.38269WCAG 2.x, 0 is black and 1 is white
Perceived brightness154 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.65:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.65:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#BF447C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9AD80no red cones; affects about 1% of men; ΔE 44.9 from the original
Deuteranopia#A9A287no green cones; the most common form, about 1% of men; ΔE 45.2 from the original
Tritanopia#00BAACno blue cones; rare, and affects men and women equally; ΔE 23.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.65:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 6.5Medium aquamarine · ΔE 15.5Sea green · ΔE 18.3Dark seagreen · ΔE 23.6Aquamarine · ΔE 25.5Light green · ΔE 25.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 6.47, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB4078
Analogous#40BB46, #40B5BB
Triadic#8340BB, #BB8340
Split complementary#BB40B5, #BB4640
Tetradic#4640BB, #BB4078, #B5BB40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6F1E5
Lighter +30%#B0E4CC
Lighter +20%#8AD7B4
Lighter +10%#64CA9C
Darker −10%#339568
Darker −20%#266F4E
Darker −30%#194933
Darker −40%#0C2319
More saturated +25%#21DA86
Less saturated −25%#5F9C80

Channel breakdown

R64
G187
B131
Red64 (25.1%)
Green187 (73.3%)
Blue131 (51.4%)
Hue152.68°
Saturation (HSL)49%
Lightness49.22%
Dominant channelGreen
Hex per channelR 40 · G BB · B 83

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Every value on this page was computed from “40bb83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.