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Recognised as Colour

#CCEF03

  • #CCEF03
  • Yellow
  • Light
  • Nearest: Yellow

#CCEF03 is a yellow with RGB values 204, 239, 3 and HSL 69°, 98%, 47%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#CCEF03#CCEF03
HEX#CCEF03
RGBrgb(204, 239, 3)
RGB (0–1)0.8, 0.9373, 0.0118
RGB percentages80%, 93.7%, 1.2%
HSLhsl(68.9, 97.5%, 47.5%)
HSV / HSBhsv(68.9, 98.7%, 93.7%)
CMYK14.6%, 0%, 98.7%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,430,531
CSS custom property--colour: #CCEF03;

Brightness & contrast

Relative luminance0.74577WCAG 2.x, 0 is black and 1 is white
Perceived brightness214.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.92:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.92:1WCAG normal text: AAA
Greyscale equivalent#D7D7D7
Inverted#3310FC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE000no red cones; affects about 1% of men; ΔE 28.4 from the original
Deuteranopia#FBE131no green cones; the most common form, about 1% of men; ΔE 27.5 from the original
Tritanopia#D9E1CBno blue cones; rare, and affects men and women equally; ΔE 81.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.92:1WCAG large text: AAA

Named colours

Yellow · ΔE 17.3Green yellow · ΔE 18.5Yellow green · ΔE 24Gold · ΔE 32.9Lawn green · ΔE 33.1Chartreuse · ΔE 33.3
Nearest named CSS colourYellow (#FFFF00)ΔE 17.28, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2603EF
Analogous#EF9C03, #56EF03
Triadic#03CCEF, #EF03CC
Split complementary#0356EF, #9C03EF
Tetradic#03EF9C, #2603EF, #EF0356

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5FEC0
Lighter +30%#EDFE8D
Lighter +20%#E5FD5B
Lighter +10%#DDFC29
Darker −10%#A1BD02
Darker −20%#768A02
Darker −30%#4B5801
Darker −40%#202600
More saturated +25%#CEF200
Less saturated −25%#B7D121

Channel breakdown

R204
G239
B3
Red204 (80%)
Green239 (93.7%)
Blue3 (1.2%)
Hue68.9°
Saturation (HSL)97.52%
Lightness47.45%
Dominant channelGreen
Hex per channelR CC · G EF · B 03

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Every value on this page was computed from “ccef03” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.