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Colour

#40E48C

  • #40E48C
  • Green
  • Light
  • Nearest: Medium spring green

#40E48C is a green with RGB values 64, 228, 140 and HSL 148°, 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

#40E48C#40E48C
HEX#40E48C
RGBrgb(64, 228, 140)
RGB (0–1)0.251, 0.8941, 0.549
RGB percentages25.1%, 89.4%, 54.9%
HSLhsl(147.8, 75.2%, 57.3%)
HSV / HSBhsv(147.8, 71.9%, 89.4%)
CMYK71.9%, 0%, 38.6%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,252,812
CSS custom property--colour: #40E48C;

Brightness & contrast

Relative luminance0.5847WCAG 2.x, 0 is black and 1 is white
Perceived brightness184.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.69:1
Contrast with white1.65:1WCAG normal text: Fail
Contrast with black12.69:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#BF1B73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E3D286no red cones; affects about 1% of men; ΔE 57.2 from the original
Deuteranopia#CFC392no green cones; the most common form, about 1% of men; ΔE 58.1 from the original
Tritanopia#00E2CEno blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.65:1WCAG large text: Fail
Contrast with black, large text12.69:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 11.5Light green · ΔE 16.8Pale green · ΔE 17.7Medium seagreen · ΔE 21.5Spring green · ΔE 23.6Aquamarine · ΔE 28.7
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 11.55, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E44098
Analogous#46E440, #40E4DE
Triadic#8C40E4, #E48C40
Split complementary#DE40E4, #E44046
Tetradic#4046E4, #E44098, #E4DE40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FDF8
Lighter +30%#C6F7DD
Lighter +20%#99F1C2
Lighter +10%#6DEAA7
Darker −10%#1ED372
Darker −20%#18A65A
Darker −30%#117A42
Darker −40%#0B4D2A
More saturated +25%#25FF8A
Less saturated −25%#5BC98E

Channel breakdown

R64
G228
B140
Red64 (25.1%)
Green228 (89.4%)
Blue140 (54.9%)
Hue147.8°
Saturation (HSL)75.23%
Lightness57.25%
Dominant channelGreen
Hex per channelR 40 · G E4 · B 8C

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Every value on this page was computed from “40e48c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.