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Recognised as Colour

#EFFF8F

  • #EFFF8F
  • Yellow
  • Light
  • Nearest: Khaki

#EFFF8F is a yellow with RGB values 239, 255, 143 and HSL 69°, 100%, 78%. It is a light colour, so black text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#EFFF8F#EFFF8F
HEX#EFFF8F
RGBrgb(239, 255, 143)
RGB (0–1)0.9373, 1, 0.5608
RGB percentages93.7%, 100%, 56.1%
HSLhsl(68.6, 100%, 78%)
HSV / HSBhsv(68.6, 43.9%, 100%)
CMYK6.3%, 0%, 43.9%, 0%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,728,527
CSS custom property--colour: #EFFF8F;

Brightness & contrast

Relative luminance0.91854WCAG 2.x, 0 is black and 1 is white
Perceived brightness240 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.37:1
Contrast with white1.08:1WCAG normal text: Fail
Contrast with black19.37:1WCAG normal text: AAA
Greyscale equivalent#F4F4F4
Inverted#100070

Colour vision & accessibility

Protanopia#FFF586no red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#FFF795no green cones; the most common form, about 1% of men; ΔE 11.2 from the original
Tritanopia#FAF4E4no blue cones; rare, and affects men and women equally; ΔE 47.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.08:1WCAG large text: Fail
Contrast with black, large text19.37:1WCAG large text: AAA

Named colours

Nearest named CSS colourKhaki (#F0E68C)ΔE 15.36, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#9F8FFF
Analogous#FFD78F, #B7FF8F
Triadic#8FEFFF, #FF8FEF
Split complementary#8FB7FF, #D78FFF
Tetradic#8FFFD7, #9F8FFF, #FF8FB7

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FEFFF5
Lighter +10%#F6FFC2
Darker −10%#E8FF5C
Darker −20%#E0FF29
Darker −30%#D2F500
Darker −40%#A6C200
More saturated +25%#EFFF8F
Less saturated −25%#E5F19D

Channel breakdown

R239
G255
B143
Red239 (93.7%)
Green255 (100%)
Blue143 (56.1%)
Hue68.57°
Saturation (HSL)100%
Lightness78.04%
Dominant channelGreen
Hex per channelR EF · G FF · B 8F

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Every value on this page was computed from “efff8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.