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Recognised as Colour

#428A86

  • #428A86
  • Cyan
  • Dark
  • Nearest: Teal

#428A86 is a cyan with RGB values 66, 138, 134 and HSL 177°, 35%, 40%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#428A86#428A86
HEX#428A86
RGBrgb(66, 138, 134)
RGB (0–1)0.2588, 0.5412, 0.5255
RGB percentages25.9%, 54.1%, 52.5%
HSLhsl(176.7, 35.3%, 40%)
HSV / HSBhsv(176.7, 52.2%, 54.1%)
CMYK52.2%, 0%, 2.9%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,360,838
CSS custom property--colour: #428A86;

Brightness & contrast

Relative luminance0.21056WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.21:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.21:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#BD7579

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#838486no red cones; affects about 1% of men; ΔE 23.9 from the original
Deuteranopia#777B87no green cones; the most common form, about 1% of men; ΔE 24.7 from the original
Tritanopia#128D89no blue cones; rare, and affects men and women equally; ΔE 8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Teal · ΔE 8.1Dark cyan · ΔE 8.3Cadetblue · ΔE 9.4Light seagreen · ΔE 19Slate grey · ΔE 22.1Light slate grey · ΔE 22.4
Nearest named CSS colourTeal (#008080)ΔE 8.07, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A4246
Analogous#428A62, #426A8A
Triadic#86428A, #8A8642
Split complementary#8A426A, #8A6242
Tetradic#62428A, #8A4246, #6A8A42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BADEDC
Lighter +30%#98CDCB
Lighter +20%#75BDB9
Lighter +10%#53ACA8
Darker −10%#326765
Darker −20%#214543
Darker −30%#112222
Darker −40%#000000
More saturated +25%#29A39D
Less saturated −25%#5C716F

Channel breakdown

R66
G138
B134
Red66 (25.9%)
Green138 (54.1%)
Blue134 (52.5%)
Hue176.67°
Saturation (HSL)35.29%
Lightness40%
Dominant channelGreen
Hex per channelR 42 · G 8A · B 86

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Every value on this page was computed from “428a86” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.