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Colour

#28B8AE

  • #28B8AE
  • Cyan
  • Dark
  • Nearest: Light seagreen

#28B8AE is a cyan with RGB values 40, 184, 174 and HSL 176°, 64%, 44%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#28B8AE#28B8AE
HEX#28B8AE
RGBrgb(40, 184, 174)
RGB (0–1)0.1569, 0.7216, 0.6824
RGB percentages15.7%, 72.2%, 68.2%
HSLhsl(175.8, 64.3%, 43.9%)
HSV / HSBhsv(175.8, 78.3%, 72.2%)
CMYK78.3%, 0%, 5.4%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,668,718
CSS custom property--colour: #28B8AE;

Brightness & contrast

Relative luminance0.37788WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.56:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.56:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#D74751

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEAEAEno red cones; affects about 1% of men; ΔE 38.9 from the original
Deuteranopia#9A9FAFno green cones; the most common form, about 1% of men; ΔE 40.1 from the original
Tritanopia#00BDB5no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.45:1WCAG large text: Fail
Contrast with black, large text8.56:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 2.4Medium turquoise · ΔE 9.5Dark turquoise · ΔE 11.1Turquoise · ΔE 14.6Medium aquamarine · ΔE 15.8Dark cyan · ΔE 17.8
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 2.4, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B82832
Analogous#28B866, #287AB8
Triadic#AE28B8, #B8AE28
Split complementary#B8287A, #B86628
Tetradic#6628B8, #B82832, #7AB828

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCF0ED
Lighter +30%#92E7E1
Lighter +20%#68DED6
Lighter +10%#3ED5CB
Darker −10%#1F8E86
Darker −20%#16645F
Darker −30%#0D3A37
Darker −40%#041010
More saturated +25%#0CD4C6
Less saturated −25%#449C96

Channel breakdown

R40
G184
B174
Red40 (15.7%)
Green184 (72.2%)
Blue174 (68.2%)
Hue175.83°
Saturation (HSL)64.29%
Lightness43.92%
Dominant channelGreen
Hex per channelR 28 · G B8 · B AE

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Every value on this page was computed from “28b8ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.