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Recognised as Colour

#B1CD2A

  • #B1CD2A
  • Green
  • Light
  • Nearest: Yellow green

#B1CD2A is a green with RGB values 177, 205, 42 and HSL 70°, 66%, 48%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#B1CD2A#B1CD2A
HEX#B1CD2A
RGBrgb(177, 205, 42)
RGB (0–1)0.6941, 0.8039, 0.1647
RGB percentages69.4%, 80.4%, 16.5%
HSLhsl(70.3, 66%, 48.4%)
HSV / HSBhsv(70.3, 79.5%, 80.4%)
CMYK13.7%, 0%, 79.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,652,394
CSS custom property--colour: #B1CD2A;

Brightness & contrast

Relative luminance0.53177WCAG 2.x, 0 is black and 1 is white
Perceived brightness185 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.64:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.64:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#4E32D5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DBC100no red cones; affects about 1% of men; ΔE 24.5 from the original
Deuteranopia#D7C13Bno green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#BCC2AFno blue cones; rare, and affects men and women equally; ΔE 66.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.64:1WCAG large text: AAA

Named colours

Yellow green · ΔE 9.9Green yellow · ΔE 29.3Yellow · ΔE 31.4Olivedrab · ΔE 31.5Gold · ΔE 33Olive · ΔE 33.9
Nearest named CSS colourYellow green (#9ACD32)ΔE 9.86, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#462ACD
Analogous#CD972A, #60CD2A
Triadic#2AB1CD, #CD2AB1
Split complementary#2A60CD, #972ACD
Tetradic#2ACD97, #462ACD, #CD2A60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF5CE
Lighter +30%#E0ECA4
Lighter +20%#D1E479
Lighter +10%#C3DB4F
Darker −10%#8CA321
Darker −20%#687819
Darker −30%#434E10
Darker −40%#1F2407
More saturated +25%#C5EC0B
Less saturated −25%#9DAE49

Channel breakdown

R177
G205
B42
Red177 (69.4%)
Green205 (80.4%)
Blue42 (16.5%)
Hue70.31°
Saturation (HSL)65.99%
Lightness48.43%
Dominant channelGreen
Hex per channelR B1 · G CD · B 2A

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Every value on this page was computed from “b1cd2a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.