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Colour

#E9CF21

  • #E9CF21
  • Yellow
  • Light
  • Nearest: Gold

#E9CF21 is a yellow with RGB values 233, 207, 33 and HSL 52°, 82%, 52%. It is a light colour, so black text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#E9CF21#E9CF21
HEX#E9CF21
RGBrgb(233, 207, 33)
RGB (0–1)0.9137, 0.8118, 0.1294
RGB percentages91.4%, 81.2%, 12.9%
HSLhsl(52.2, 82%, 52.2%)
HSV / HSBhsv(52.2, 85.8%, 91.4%)
CMYK0%, 11.2%, 85.8%, 8.6%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,322,913
CSS custom property--colour: #E9CF21;

Brightness & contrast

Relative luminance0.62059WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.41:1
Contrast with white1.57:1WCAG normal text: Fail
Contrast with black13.41:1WCAG normal text: AAA
Greyscale equivalent#C8C8C8
Inverted#1630DE

Colour vision & accessibility

Protanopia#E4C900no red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#EBD332no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#FCBFB1no blue cones; rare, and affects men and women equally; ΔE 68.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.57:1WCAG large text: Fail
Contrast with black, large text13.41:1WCAG large text: AAA

Named colours

Nearest named CSS colourGold (#FFD700)ΔE 10.3, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#213BE9
Analogous#E96B21, #9FE921
Triadic#21E9CF, #CF21E9
Split complementary#219FE9, #6B21E9
Tetradic#21E96B, #213BE9, #E9219F

Tints, shades & saturation

Lighter +40%#FBF7DB
Lighter +30%#F7EDAC
Lighter +20%#F2E37E
Lighter +10%#EED94F
Darker −10%#C4AD13
Darker −20%#95840F
Darker −30%#675B0A
Darker −40%#383206
More saturated +25%#FFDF0B
Less saturated −25%#CBB840

Channel breakdown

R233
G207
B33
Red233 (91.4%)
Green207 (81.2%)
Blue33 (12.9%)
Hue52.2°
Saturation (HSL)81.97%
Lightness52.16%
Dominant channelRed
Hex per channelR E9 · G CF · B 21

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Every value on this page was computed from “e9cf21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.