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Recognised as Colour

#40E488

  • #40E488
  • Green
  • Light
  • Nearest: Medium spring green

#40E488 is a green with RGB values 64, 228, 136 and HSL 146°, 75%, 57%. It is a light colour, so black text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#40E488#40E488
HEX#40E488
RGBrgb(64, 228, 136)
RGB (0–1)0.251, 0.8941, 0.5333
RGB percentages25.1%, 89.4%, 53.3%
HSLhsl(146.3, 75.2%, 57.3%)
HSV / HSBhsv(146.3, 71.9%, 89.4%)
CMYK71.9%, 0%, 40.4%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,252,808
CSS custom property--colour: #40E488;

Brightness & contrast

Relative luminance0.58354WCAG 2.x, 0 is black and 1 is white
Perceived brightness184 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.67:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.67:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#BF1B77

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E4D182no red cones; affects about 1% of men; ΔE 58.4 from the original
Deuteranopia#D0C38Eno green cones; the most common form, about 1% of men; ΔE 58.7 from the original
Tritanopia#00E1CDno blue cones; rare, and affects men and women equally; ΔE 38.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.67:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 10.9Light green · ΔE 16.9Pale green · ΔE 17.6Spring green · ΔE 21.8Medium seagreen · ΔE 22.6Limegreen · ΔE 30
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 10.94, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4409C
Analogous#4AE440, #40E4DA
Triadic#8840E4, #E48840
Split complementary#DA40E4, #E4404A
Tetradic#404AE4, #E4409C, #E4DA40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FDF7
Lighter +30%#C6F7DC
Lighter +20%#99F1C0
Lighter +10%#6DEAA4
Darker −10%#1ED36D
Darker −20%#18A656
Darker −30%#117A3F
Darker −40%#0B4D28
More saturated +25%#25FF85
Less saturated −25%#5BC98B

Channel breakdown

R64
G228
B136
Red64 (25.1%)
Green228 (89.4%)
Blue136 (53.3%)
Hue146.34°
Saturation (HSL)75.23%
Lightness57.25%
Dominant channelGreen
Hex per channelR 40 · G E4 · B 88

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Every value on this page was computed from “40e488” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.