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Colour

#ECFF41

  • #ECFF41
  • Yellow
  • Light
  • Nearest: Yellow

#ECFF41 is a yellow with RGB values 236, 255, 65 and HSL 66°, 100%, 63%. It is a light colour, so black text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#ECFF41#ECFF41
HEX#ECFF41
RGBrgb(236, 255, 65)
RGB (0–1)0.9255, 1, 0.2549
RGB percentages92.5%, 100%, 25.5%
HSLhsl(66, 100%, 62.7%)
HSV / HSBhsv(66, 74.5%, 100%)
CMYK7.5%, 0%, 74.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,531,841
CSS custom property--colour: #ECFF41;

Brightness & contrast

Relative luminance0.89735WCAG 2.x, 0 is black and 1 is white
Perceived brightness235.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.95:1
Contrast with white1.11:1WCAG normal text: Fail
Contrast with black18.95:1WCAG normal text: AAA
Greyscale equivalent#EDEDED
Inverted#1300BE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF20Eno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#FFF552no green cones; the most common form, about 1% of men; ΔE 14.6 from the original
Tritanopia#FBF0DBno blue cones; rare, and affects men and women equally; ΔE 76 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.11:1WCAG large text: Fail
Contrast with black, large text18.95:1WCAG large text: AAA

Named colours

Yellow · ΔE 14.1Green yellow · ΔE 24.9Yellow green · ΔE 26.7Gold · ΔE 28Lawn green · ΔE 40.6Chartreuse · ΔE 40.7
Nearest named CSS colourYellow (#FFFF00)ΔE 14.07, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5441FF
Analogous#FFB341, #8DFF41
Triadic#41ECFF, #FF41EC
Split complementary#418DFF, #B341FF
Tetradic#41FFB3, #5441FF, #FF418D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFFDA
Lighter +20%#F6FFA7
Lighter +10%#F1FF74
Darker −10%#E7FF0E
Darker −20%#C4DA00
Darker −30%#96A700
Darker −40%#687400
More saturated +25%#ECFF41
Less saturated −25%#D9E759

Channel breakdown

R236
G255
B65
Red236 (92.5%)
Green255 (100%)
Blue65 (25.5%)
Hue66°
Saturation (HSL)100%
Lightness62.75%
Dominant channelGreen
Hex per channelR EC · G FF · B 41

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Every value on this page was computed from “ecff41” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.