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Colour

#4B9180

  • #4B9180
  • Cyan
  • Dark
  • Nearest: Dark cyan

#4B9180 is a cyan with RGB values 75, 145, 128 and HSL 165°, 32%, 43%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#4B9180#4B9180
HEX#4B9180
RGBrgb(75, 145, 128)
RGB (0–1)0.2941, 0.5686, 0.502
RGB percentages29.4%, 56.9%, 50.2%
HSLhsl(165.4, 31.8%, 43.1%)
HSV / HSBhsv(165.4, 48.3%, 56.9%)
CMYK48.3%, 0%, 11.7%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,952,448
CSS custom property--colour: #4B9180;

Brightness & contrast

Relative luminance0.23305WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.66:1
Contrast with white3.71:1WCAG normal text: Fail
Contrast with black5.66:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#B46E7F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8D897Fno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#818181no green cones; the most common form, about 1% of men; ΔE 26.5 from the original
Tritanopia#2F938Cno blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.71:1WCAG large text: AA
Contrast with black, large text5.66:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 12.4Teal · ΔE 13.1Cadetblue · ΔE 13.1Light seagreen · ΔE 17.5Sea green · ΔE 22.6Dark seagreen · ΔE 23.1
Nearest named CSS colourDark cyan (#008B8B)ΔE 12.4, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#914B5C
Analogous#4B915D, #4B7F91
Triadic#804B91, #91804B
Split complementary#914B7F, #915D4B
Tetradic#5D4B91, #914B5C, #7F914B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6E2DB
Lighter +30%#A5D0C6
Lighter +20%#83BFB0
Lighter +10%#61AE9B
Darker −10%#3A6F62
Darker −20%#284E45
Darker −30%#172C27
Darker −40%#050B09
More saturated +25%#30AD8E
Less saturated −25%#677672

Channel breakdown

R75
G145
B128
Red75 (29.4%)
Green145 (56.9%)
Blue128 (50.2%)
Hue165.43°
Saturation (HSL)31.82%
Lightness43.14%
Dominant channelGreen
Hex per channelR 4B · G 91 · B 80

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Every value on this page was computed from “4b9180” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.