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Recognised as Colour

#EFFF50

  • #EFFF50
  • Yellow
  • Light
  • Nearest: Yellow

#EFFF50 is a yellow with RGB values 239, 255, 80 and HSL 65°, 100%, 66%. 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

#EFFF50#EFFF50
HEX#EFFF50
RGBrgb(239, 255, 80)
RGB (0–1)0.9373, 1, 0.3137
RGB percentages93.7%, 100%, 31.4%
HSLhsl(65.5, 100%, 65.7%)
HSV / HSBhsv(65.5, 68.6%, 100%)
CMYK6.3%, 0%, 68.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,728,464
CSS custom property--colour: #EFFF50;

Brightness & contrast

Relative luminance0.9045WCAG 2.x, 0 is black and 1 is white
Perceived brightness236.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.09:1
Contrast with white1.1:1WCAG normal text: Fail
Contrast with black19.09:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#1000AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF333no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#FFF65Dno green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#FEF0DDno blue cones; rare, and affects men and women equally; ΔE 72.1 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 text19.09:1WCAG large text: AAA

Named colours

Yellow · ΔE 17.6Yellow green · ΔE 25.4Green yellow · ΔE 27.1Gold · ΔE 27.6Khaki · ΔE 37.2Lawn green · ΔE 43.1
Nearest named CSS colourYellow (#FFFF00)ΔE 17.61, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6050FF
Analogous#FFB750, #98FF50
Triadic#50EFFF, #FF50EF
Split complementary#5098FF, #B750FF
Tetradic#50FFB7, #6050FF, #FF5098

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFFE9
Lighter +20%#F8FFB6
Lighter +10%#F4FF83
Darker −10%#EAFF1D
Darker −20%#D4E900
Darker −30%#A5B600
Darker −40%#778300
More saturated +25%#EFFF50
Less saturated −25%#DDE966

Channel breakdown

R239
G255
B80
Red239 (93.7%)
Green255 (100%)
Blue80 (31.4%)
Hue65.49°
Saturation (HSL)100%
Lightness65.69%
Dominant channelGreen
Hex per channelR EF · G FF · B 50

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Every value on this page was computed from “efff50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.