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Recognised as Colour

#EFFE56

  • #EFFE56
  • Yellow
  • Light
  • Nearest: Yellow

#EFFE56 is a yellow with RGB values 239, 254, 86 and HSL 65°, 99%, 67%. It is a light colour, so black text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#EFFE56#EFFE56
HEX#EFFE56
RGBrgb(239, 254, 86)
RGB (0–1)0.9373, 0.9961, 0.3373
RGB percentages93.7%, 99.6%, 33.7%
HSLhsl(65.4, 98.8%, 66.7%)
HSV / HSBhsv(65.4, 66.1%, 99.6%)
CMYK5.9%, 0%, 66.1%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,728,214
CSS custom property--colour: #EFFE56;

Brightness & contrast

Relative luminance0.89906WCAG 2.x, 0 is black and 1 is white
Perceived brightness236.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.98:1
Contrast with white1.11:1WCAG normal text: Fail
Contrast with black18.98:1WCAG normal text: AAA
Greyscale equivalent#EFEFEF
Inverted#1001A9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFF23Dno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#FFF562no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#FEF0DCno blue cones; rare, and affects men and women equally; ΔE 69.1 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 text18.98:1WCAG large text: AAA

Named colours

Yellow · ΔE 19.8Yellow green · ΔE 24.7Gold · ΔE 27.8Green yellow · ΔE 28.3Khaki · ΔE 34.7Goldenrod · ΔE 42.6
Nearest named CSS colourYellow (#FFFF00)ΔE 19.77, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6556FE
Analogous#FEB956, #9BFE56
Triadic#56EFFE, #FE56EF
Split complementary#569BFE, #B956FE
Tetradic#56FEB9, #6556FE, #FE569B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FDFFEE
Lighter +20%#F9FFBB
Lighter +10%#F4FE89
Darker −10%#EAFE23
Darker −20%#D8ED01
Darker −30%#A9BA01
Darker −40%#7B8701
More saturated +25%#F0FF55
Less saturated −25%#DEE96B

Channel breakdown

R239
G254
B86
Red239 (93.7%)
Green254 (99.6%)
Blue86 (33.7%)
Hue65.36°
Saturation (HSL)98.82%
Lightness66.67%
Dominant channelGreen
Hex per channelR EF · G FE · B 56

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Every value on this page was computed from “effe56” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.