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Recognised as Colour

#B4A027

  • #B4A027
  • Yellow
  • Dark
  • Nearest: Olive

#B4A027 is a yellow with RGB values 180, 160, 39 and HSL 51°, 64%, 43%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#B4A027#B4A027
HEX#B4A027
RGBrgb(180, 160, 39)
RGB (0–1)0.7059, 0.6275, 0.1529
RGB percentages70.6%, 62.7%, 15.3%
HSLhsl(51.5, 64.4%, 42.9%)
HSV / HSBhsv(51.5, 78.3%, 70.6%)
CMYK0%, 11.1%, 78.3%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,837,479
CSS custom property--colour: #B4A027;

Brightness & contrast

Relative luminance0.34991WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8:1
Contrast with white2.63:1WCAG normal text: Fail
Contrast with black8:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#4B5FD8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B09C09no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#B6A330no green cones; the most common form, about 1% of men; ΔE 2.4 from the original
Tritanopia#C29489no blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.63:1WCAG large text: Fail
Contrast with black, large text8:1WCAG large text: AAA

Named colours

Olive · ΔE 16.3Dark goldenrod · ΔE 16.7Goldenrod · ΔE 16.8Dark khaki · ΔE 23.1Olivedrab · ΔE 27.7Khaki · ΔE 29.5
Nearest named CSS colourOlive (#808000)ΔE 16.33, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#273BB4
Analogous#B45A27, #82B427
Triadic#27B4A0, #A027B4
Split complementary#2782B4, #5A27B4
Tetradic#27B45A, #273BB4, #B42782

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0E8B7
Lighter +30%#E6DA8E
Lighter +20%#DDCC64
Lighter +10%#D4BE3A
Darker −10%#8A7B1E
Darker −20%#605515
Darker −30%#36300C
Darker −40%#0C0B03
More saturated +25%#CFB40C
Less saturated −25%#998C42

Channel breakdown

R180
G160
B39
Red180 (70.6%)
Green160 (62.7%)
Blue39 (15.3%)
Hue51.49°
Saturation (HSL)64.38%
Lightness42.94%
Dominant channelRed
Hex per channelR B4 · G A0 · B 27

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Every value on this page was computed from “b4a027” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.