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Recognised as Colour

#C5D557

  • #C5D557
  • Yellow
  • Light
  • Nearest: Yellow green

#C5D557 is a yellow with RGB values 197, 213, 87 and HSL 68°, 60%, 59%. It is a light colour, so black text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#C5D557#C5D557
HEX#C5D557
RGBrgb(197, 213, 87)
RGB (0–1)0.7725, 0.8353, 0.3412
RGB percentages77.3%, 83.5%, 34.1%
HSLhsl(67.6, 60%, 58.8%)
HSV / HSBhsv(67.6, 59.2%, 83.5%)
CMYK7.5%, 0%, 59.2%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,965,207
CSS custom property--colour: #C5D557;

Brightness & contrast

Relative luminance0.60147WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.03:1
Contrast with white1.61:1WCAG normal text: Fail
Contrast with black13.03:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#3A2AA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E3CB49no red cones; affects about 1% of men; ΔE 17.6 from the original
Deuteranopia#E1CD5Fno green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#D0CABAno blue cones; rare, and affects men and women equally; ΔE 54.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.61:1WCAG large text: Fail
Contrast with black, large text13.03:1WCAG large text: AAA

Named colours

Yellow green · ΔE 18.2Khaki · ΔE 21.1Dark khaki · ΔE 25.4Olivedrab · ΔE 29.4Olive · ΔE 31.6Light green · ΔE 32.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 18.19, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6757D5
Analogous#D5A657, #86D557
Triadic#57C5D5, #D557C5
Split complementary#5786D5, #A657D5
Tetradic#57D5A6, #6757D5, #D55786

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFA
Lighter +30%#EFF4D1
Lighter +20%#E1E9A9
Lighter +10%#D3DF80
Darker −10%#B4C732
Darker −20%#8F9E28
Darker −30%#6A761D
Darker −40%#454D13
More saturated +25%#D9EF3D
Less saturated −25%#B1BB71

Channel breakdown

R197
G213
B87
Red197 (77.3%)
Green213 (83.5%)
Blue87 (34.1%)
Hue67.62°
Saturation (HSL)60%
Lightness58.82%
Dominant channelGreen
Hex per channelR C5 · G D5 · B 57

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Every value on this page was computed from “c5d557” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.