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Colour

#40FF8F

  • #40FF8F
  • Green
  • Light
  • Nearest: Medium spring green

#40FF8F is a green with RGB values 64, 255, 143 and HSL 145°, 100%, 63%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#40FF8F#40FF8F
HEX#40FF8F
RGBrgb(64, 255, 143)
RGB (0–1)0.251, 1, 0.5608
RGB percentages25.1%, 100%, 56.1%
HSLhsl(144.8, 100%, 62.5%)
HSV / HSBhsv(144.8, 74.9%, 100%)
CMYK74.9%, 0%, 43.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,259,727
CSS custom property--colour: #40FF8F;

Brightness & contrast

Relative luminance0.74593WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.92:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.92:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#BF0070

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA87no red cones; affects about 1% of men; ΔE 65.4 from the original
Deuteranopia#E9DA97no green cones; the most common form, about 1% of men; ΔE 65.9 from the original
Tritanopia#00FBE4no blue cones; rare, and affects men and women equally; ΔE 46.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.92:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 8.2Spring green · ΔE 9.5Pale green · ΔE 22Light green · ΔE 24.2Limegreen · ΔE 26.9Medium seagreen · ΔE 36.2
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 8.19, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF40B0
Analogous#51FF40, #40FFEE
Triadic#8F40FF, #FF8F40
Split complementary#EE40FF, #FF4051
Tetradic#4051FF, #FF40B0, #FFEE40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9FFE9
Lighter +20%#A6FFCB
Lighter +10%#73FFAD
Darker −10%#0DFF71
Darker −20%#00D95A
Darker −30%#00A645
Darker −40%#007330
More saturated +25%#40FF8F
Less saturated −25%#58E793

Channel breakdown

R64
G255
B143
Red64 (25.1%)
Green255 (100%)
Blue143 (56.1%)
Hue144.82°
Saturation (HSL)100%
Lightness62.55%
Dominant channelGreen
Hex per channelR 40 · G FF · B 8F

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Every value on this page was computed from “40ff8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.