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Recognised as Colour

#40FF5C

  • #40FF5C
  • Green
  • Light
  • Nearest: Spring green

#40FF5C is a green with RGB values 64, 255, 92 and HSL 129°, 100%, 63%. It is a light colour, so black text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#40FF5C#40FF5C
HEX#40FF5C
RGBrgb(64, 255, 92)
RGB (0–1)0.251, 1, 0.3608
RGB percentages25.1%, 100%, 36.1%
HSLhsl(128.8, 100%, 62.5%)
HSV / HSBhsv(128.8, 74.9%, 100%)
CMYK74.9%, 0%, 63.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,259,676
CSS custom property--colour: #40FF5C;

Brightness & contrast

Relative luminance0.73383WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.68:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.68:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#BF00A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE748no red cones; affects about 1% of men; ΔE 69.9 from the original
Deuteranopia#EED96Bno green cones; the most common form, about 1% of men; ΔE 71 from the original
Tritanopia#00F8DDno blue cones; rare, and affects men and women equally; ΔE 67.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.34:1WCAG large text: Fail
Contrast with black, large text15.68:1WCAG large text: AAA

Named colours

Spring green · ΔE 15.7Limegreen · ΔE 18.8Lime · ΔE 22.5Lawn green · ΔE 24Chartreuse · ΔE 24.7Medium spring green · ΔE 30.9
Nearest named CSS colourSpring green (#00FF7F)ΔE 15.67, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF40E3
Analogous#83FF40, #40FFBC
Triadic#5C40FF, #FF5C40
Split complementary#BC40FF, #FF4083
Tetradic#4083FF, #FF40E3, #FFBC40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9FFDF
Lighter +20%#A6FFB3
Lighter +10%#73FF88
Darker −10%#0DFF30
Darker −20%#00D920
Darker −30%#00A618
Darker −40%#007311
More saturated +25%#40FF5C
Less saturated −25%#58E76D

Channel breakdown

R64
G255
B92
Red64 (25.1%)
Green255 (100%)
Blue92 (36.1%)
Hue128.8°
Saturation (HSL)100%
Lightness62.55%
Dominant channelGreen
Hex per channelR 40 · G FF · B 5C

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Every value on this page was computed from “40ff5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.