Nerdulator> put something in

Recognised as Colour

#40FE66

  • #40FE66
  • Green
  • Light
  • Nearest: Spring green

#40FE66 is a green with RGB values 64, 254, 102 and HSL 132°, 99%, 62%. It is a light colour, so black text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#40FE66#40FE66
HEX#40FE66
RGBrgb(64, 254, 102)
RGB (0–1)0.251, 0.9961, 0.4
RGB percentages25.1%, 99.6%, 40%
HSLhsl(132, 99%, 62.4%)
HSV / HSBhsv(132, 74.8%, 99.6%)
CMYK74.8%, 0%, 59.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,259,430
CSS custom property--colour: #40FE66;

Brightness & contrast

Relative luminance0.72933WCAG 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 15.59:1
Contrast with white1.35:1WCAG normal text: Fail
Contrast with black15.59:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#BF0199

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE755no red cones; affects about 1% of men; ΔE 69.1 from the original
Deuteranopia#ECD873no green cones; the most common form, about 1% of men; ΔE 70 from the original
Tritanopia#00F8DDno blue cones; rare, and affects men and women equally; ΔE 62.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.35:1WCAG large text: Fail
Contrast with black, large text15.59:1WCAG large text: AAA

Named colours

Spring green · ΔE 11.4Limegreen · ΔE 18.2Medium spring green · ΔE 26.3Lime · ΔE 27.1Lawn green · ΔE 27.7Chartreuse · ΔE 28.5
Nearest named CSS colourSpring green (#00FF7F)ΔE 11.37, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE40D8
Analogous#79FE40, #40FEC5
Triadic#6640FE, #FE6640
Split complementary#C540FE, #FE4079
Tetradic#4079FE, #FE40D8, #FEC540

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8FFE0
Lighter +20%#A5FFB7
Lighter +10%#73FE8F
Darker −10%#0DFE3D
Darker −20%#01D72C
Darker −30%#01A422
Darker −40%#017117
More saturated +25%#3FFF65
Less saturated −25%#58E674

Channel breakdown

R64
G254
B102
Red64 (25.1%)
Green254 (99.6%)
Blue102 (40%)
Hue132°
Saturation (HSL)98.96%
Lightness62.35%
Dominant channelGreen
Hex per channelR 40 · G FE · B 66

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “40fe66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.