Nerdulator> put something in

Recognised as Colour

#A4BC21

  • #A4BC21
  • Yellow
  • Dark
  • Nearest: Yellow green

#A4BC21 is a yellow with RGB values 164, 188, 33 and HSL 69°, 70%, 43%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#A4BC21#A4BC21
HEX#A4BC21
RGBrgb(164, 188, 33)
RGB (0–1)0.6431, 0.7373, 0.1294
RGB percentages64.3%, 73.7%, 12.9%
HSLhsl(69.3, 70.1%, 43.3%)
HSV / HSBhsv(69.3, 82.4%, 73.7%)
CMYK12.8%, 0%, 82.4%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,796,065
CSS custom property--colour: #A4BC21;

Brightness & contrast

Relative luminance0.43969WCAG 2.x, 0 is black and 1 is white
Perceived brightness170 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.79:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.79:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#5B43DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C9B100no red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#C6B232no green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#AEB1A1no blue cones; rare, and affects men and women equally; ΔE 64.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.79:1WCAG large text: AAA

Named colours

Yellow green · ΔE 12.1Olivedrab · ΔE 25.2Olive · ΔE 27Dark khaki · ΔE 33.7Khaki · ΔE 34.1Gold · ΔE 34.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 12.07, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3921BC
Analogous#BC8621, #57BC21
Triadic#21A4BC, #BC21A4
Split complementary#2157BC, #8621BC
Tetradic#21BC86, #3921BC, #BC2157

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F2B7
Lighter +30%#DCEB8B
Lighter +20%#CFE360
Lighter +10%#C2DB35
Darker −10%#7E9119
Darker −20%#586512
Darker −30%#323A0A
Darker −40%#0D0E03
More saturated +25%#B7D805
Less saturated −25%#91A03D

Channel breakdown

R164
G188
B33
Red164 (64.3%)
Green188 (73.7%)
Blue33 (12.9%)
Hue69.29°
Saturation (HSL)70.14%
Lightness43.33%
Dominant channelGreen
Hex per channelR A4 · G BC · B 21

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “a4bc21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.