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Colour

#EFFF4C

  • #EFFF4C
  • Yellow
  • Light
  • Nearest: Yellow

#EFFF4C is a yellow with RGB values 239, 255, 76 and HSL 65°, 100%, 65%. It is a light colour, so black text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#EFFF4C#EFFF4C
HEX#EFFF4C
RGBrgb(239, 255, 76)
RGB (0–1)0.9373, 1, 0.298
RGB percentages93.7%, 100%, 29.8%
HSLhsl(65.4, 100%, 64.9%)
HSV / HSBhsv(65.4, 70.2%, 100%)
CMYK6.3%, 0%, 70.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,728,460
CSS custom property--colour: #EFFF4C;

Brightness & contrast

Relative luminance0.90393WCAG 2.x, 0 is black and 1 is white
Perceived brightness236.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.08:1
Contrast with white1.1:1WCAG normal text: Fail
Contrast with black19.08:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#1000B3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF32Bno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#FFF65Ano green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#FEF0DCno blue cones; rare, and affects men and women equally; ΔE 73 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.1:1WCAG large text: Fail
Contrast with black, large text19.08:1WCAG large text: AAA

Named colours

Yellow · ΔE 16.4Yellow green · ΔE 25.9Green yellow · ΔE 26.7Gold · ΔE 27.3Khaki · ΔE 38.4Lawn green · ΔE 42.7
Nearest named CSS colourYellow (#FFFF00)ΔE 16.37, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4CFF
Analogous#FFB54C, #96FF4C
Triadic#4CEFFF, #FF4CEF
Split complementary#4C96FF, #B54CFF
Tetradic#4CFFB5, #5C4CFF, #FF4C96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFFE5
Lighter +20%#F8FFB2
Lighter +10%#F4FF7F
Darker −10%#EAFF19
Darker −20%#D1E500
Darker −30%#A2B200
Darker −40%#747F00
More saturated +25%#EFFF4C
Less saturated −25%#DDE962

Channel breakdown

R239
G255
B76
Red239 (93.7%)
Green255 (100%)
Blue76 (29.8%)
Hue65.36°
Saturation (HSL)100%
Lightness64.9%
Dominant channelGreen
Hex per channelR EF · G FF · B 4C

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Every value on this page was computed from “efff4c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.