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Colour

#40BFBD

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

#40BFBD is a cyan with RGB values 64, 191, 189 and HSL 179°, 50%, 50%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#40BFBD#40BFBD
HEX#40BFBD
RGBrgb(64, 191, 189)
RGB (0–1)0.251, 0.749, 0.7412
RGB percentages25.1%, 74.9%, 74.1%
HSLhsl(179.1, 49.8%, 50%)
HSV / HSBhsv(179.1, 66.5%, 74.9%)
CMYK66.5%, 0%, 1%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,243,389
CSS custom property--colour: #40BFBD;

Brightness & contrast

Relative luminance0.42026WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.41:1
Contrast with white2.23:1WCAG normal text: Fail
Contrast with black9.41:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#BF4042

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B3B6BDno red cones; affects about 1% of men; ΔE 35.2 from the original
Deuteranopia#A0A7BEno green cones; the most common form, about 1% of men; ΔE 36.9 from the original
Tritanopia#00C5BEno blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.23:1WCAG large text: Fail
Contrast with black, large text9.41:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.6Medium turquoise · ΔE 6.8Dark turquoise · ΔE 8.4Turquoise · ΔE 15.1Cadetblue · ΔE 17.7Medium aquamarine · ΔE 18.5
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.63, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF4042
Analogous#40BF7D, #4082BF
Triadic#BD40BF, #BFBD40
Split complementary#BF4082, #BF7D40
Tetradic#7E40BF, #BF4042, #82BF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9F2F2
Lighter +30%#B3E5E5
Lighter +20%#8CD9D7
Lighter +10%#66CCCA
Darker −10%#339997
Darker −20%#267371
Darker −30%#1A4C4C
Darker −40%#0D2626
More saturated +25%#20DFDC
Less saturated −25%#609F9E

Channel breakdown

R64
G191
B189
Red64 (25.1%)
Green191 (74.9%)
Blue189 (74.1%)
Hue179.06°
Saturation (HSL)49.8%
Lightness50%
Dominant channelGreen
Hex per channelR 40 · G BF · B BD

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