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Recognised as Colour

#40FFA3

  • #40FFA3
  • Cyan
  • Light
  • Nearest: Medium spring green

#40FFA3 is a cyan with RGB values 64, 255, 163 and HSL 151°, 100%, 63%. It is a light colour, so black text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#40FFA3#40FFA3
HEX#40FFA3
RGBrgb(64, 255, 163)
RGB (0–1)0.251, 1, 0.6392
RGB percentages25.1%, 100%, 63.9%
HSLhsl(151.1, 100%, 62.5%)
HSV / HSBhsv(151.1, 74.9%, 100%)
CMYK74.9%, 0%, 36.1%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,259,747
CSS custom property--colour: #40FFA3;

Brightness & contrast

Relative luminance0.75254WCAG 2.x, 0 is black and 1 is white
Perceived brightness206 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.05:1
Contrast with white1.31:1WCAG normal text: Fail
Contrast with black16.05:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#BF005C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FDEB9Dno red cones; affects about 1% of men; ΔE 62.7 from the original
Deuteranopia#E7DAA9no green cones; the most common form, about 1% of men; ΔE 63.8 from the original
Tritanopia#00FDE7no blue cones; rare, and affects men and women equally; ΔE 36.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.31:1WCAG large text: Fail
Contrast with black, large text16.05:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 4.9Spring green · ΔE 19.1Pale green · ΔE 19.8Light green · ΔE 21.3Aquamarine · ΔE 30Medium seagreen · ΔE 31.1
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 4.88, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF409C
Analogous#40FF44, #40FBFF
Triadic#A340FF, #FFA340
Split complementary#FF40FB, #FF4440
Tetradic#4440FF, #FF409C, #FCFF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9FFED
Lighter +20%#A6FFD4
Lighter +10%#73FFBC
Darker −10%#0DFF8A
Darker −20%#00D970
Darker −30%#00A656
Darker −40%#00733C
More saturated +25%#40FFA3
Less saturated −25%#58E7A2

Channel breakdown

R64
G255
B163
Red64 (25.1%)
Green255 (100%)
Blue163 (63.9%)
Hue151.1°
Saturation (HSL)100%
Lightness62.55%
Dominant channelGreen
Hex per channelR 40 · G FF · B A3

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Every value on this page was computed from “40ffa3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.