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Colour

#40FF58

  • #40FF58
  • Green
  • Light
  • Nearest: Spring green

#40FF58 is a green with RGB values 64, 255, 88 and HSL 128°, 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

#40FF58#40FF58
HEX#40FF58
RGBrgb(64, 255, 88)
RGB (0–1)0.251, 1, 0.3451
RGB percentages25.1%, 100%, 34.5%
HSLhsl(127.5, 100%, 62.5%)
HSV / HSBhsv(127.5, 74.9%, 100%)
CMYK74.9%, 0%, 65.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,259,672
CSS custom property--colour: #40FF58;

Brightness & contrast

Relative luminance0.73315WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.66:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.66:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#BF00A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE742no red cones; affects about 1% of men; ΔE 70.1 from the original
Deuteranopia#EED967no green cones; the most common form, about 1% of men; ΔE 71.1 from the original
Tritanopia#00F8DDno blue cones; rare, and affects men and women equally; ΔE 69 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 text15.66:1WCAG large text: AAA

Named colours

Spring green · ΔE 17.2Limegreen · ΔE 19.2Lime · ΔE 20.9Lawn green · ΔE 22.8Chartreuse · ΔE 23.5Green yellow · ΔE 30.6
Nearest named CSS colourSpring green (#00FF7F)ΔE 17.23, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF40E7
Analogous#88FF40, #40FFB8
Triadic#5840FF, #FF5840
Split complementary#B840FF, #FF4087
Tetradic#4087FF, #FF40E7, #FFB740

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9FFDE
Lighter +20%#A6FFB1
Lighter +10%#73FF85
Darker −10%#0DFF2B
Darker −20%#00D91B
Darker −30%#00A615
Darker −40%#00730E
More saturated +25%#40FF58
Less saturated −25%#58E76A

Channel breakdown

R64
G255
B88
Red64 (25.1%)
Green255 (100%)
Blue88 (34.5%)
Hue127.54°
Saturation (HSL)100%
Lightness62.55%
Dominant channelGreen
Hex per channelR 40 · G FF · B 58

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Every value on this page was computed from “40ff58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.