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Colour

#20B181

  • #20B181
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#20B181 is a cyan with RGB values 32, 177, 129 and HSL 160°, 69%, 41%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#20B181#20B181
HEX#20B181
RGBrgb(32, 177, 129)
RGB (0–1)0.1255, 0.6941, 0.5059
RGB percentages12.5%, 69.4%, 50.6%
HSLhsl(160.1, 69.4%, 41%)
HSV / HSBhsv(160.1, 81.9%, 69.4%)
CMYK81.9%, 0%, 27.1%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,142,593
CSS custom property--colour: #20B181;

Brightness & contrast

Relative luminance0.33336WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.67:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.67:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#DF4E7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADA47Eno red cones; affects about 1% of men; ΔE 45.6 from the original
Deuteranopia#9C9784no green cones; the most common form, about 1% of men; ΔE 46.6 from the original
Tritanopia#00B1A4no blue cones; rare, and affects men and women equally; ΔE 19.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.67:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.9Medium aquamarine · ΔE 16Sea green · ΔE 16.3Light seagreen · ΔE 23.2Turquoise · ΔE 25.2Dark seagreen · ΔE 25.5
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.94, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B12050
Analogous#20B139, #2098B1
Triadic#8120B1, #B18120
Split complementary#B12098, #B13920
Tetradic#3920B1, #B12050, #98B120

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADF0DA
Lighter +30%#82E8C6
Lighter +20%#56E1B3
Lighter +10%#2BD99F
Darker −10%#188662
Darker −20%#105B42
Darker −30%#092F23
Darker −40%#010403
More saturated +25%#06CB8A
Less saturated −25%#3A9778

Channel breakdown

R32
G177
B129
Red32 (12.5%)
Green177 (69.4%)
Blue129 (50.6%)
Hue160.14°
Saturation (HSL)69.38%
Lightness40.98%
Dominant channelGreen
Hex per channelR 20 · G B1 · B 81

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Every value on this page was computed from “20b181” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.