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Recognised as Colour

#DEF028

  • #DEF028
  • Yellow
  • Light
  • Nearest: Yellow

#DEF028 is a yellow with RGB values 222, 240, 40 and HSL 65°, 87%, 55%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#DEF028#DEF028
HEX#DEF028
RGBrgb(222, 240, 40)
RGB (0–1)0.8706, 0.9412, 0.1569
RGB percentages87.1%, 94.1%, 15.7%
HSLhsl(65.4, 87%, 54.9%)
HSV / HSBhsv(65.4, 83.3%, 94.1%)
CMYK7.5%, 0%, 83.3%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,610,472
CSS custom property--colour: #DEF028;

Brightness & contrast

Relative luminance0.78003WCAG 2.x, 0 is black and 1 is white
Perceived brightness220.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.6:1
Contrast with white1.27:1WCAG normal text: Fail
Contrast with black16.6:1WCAG normal text: AAA
Greyscale equivalent#DEDEDE
Inverted#210FD7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE300no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#FFE63Fno green cones; the most common form, about 1% of men; ΔE 19.9 from the original
Tritanopia#EDE2CDno blue cones; rare, and affects men and women equally; ΔE 77.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.27:1WCAG large text: Fail
Contrast with black, large text16.6:1WCAG large text: AAA

Named colours

Yellow · ΔE 13.9Yellow green · ΔE 24.6Green yellow · ΔE 25.2Gold · ΔE 26Lawn green · ΔE 40.5Chartreuse · ΔE 40.7
Nearest named CSS colourYellow (#FFFF00)ΔE 13.89, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A28F0
Analogous#F09E28, #7AF028
Triadic#28DEF0, #F028DE
Split complementary#287AF0, #9E28F0
Tetradic#28F09E, #3A28F0, #F0287A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFDE7
Lighter +30%#F4FAB7
Lighter +20%#EDF787
Lighter +10%#E5F358
Darker −10%#C4D60F
Darker −20%#98A60C
Darker −30%#6D7708
Darker −40%#414705
More saturated +25%#EAFF19
Less saturated −25%#C6D345

Channel breakdown

R222
G240
B40
Red222 (87.1%)
Green240 (94.1%)
Blue40 (15.7%)
Hue65.4°
Saturation (HSL)86.96%
Lightness54.9%
Dominant channelGreen
Hex per channelR DE · G F0 · B 28

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Every value on this page was computed from “def028” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.