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Recognised as Colour

#28BB8A

  • #28BB8A
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#28BB8A is a cyan with RGB values 40, 187, 138 and HSL 160°, 65%, 45%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28BB8A#28BB8A
HEX#28BB8A
RGBrgb(40, 187, 138)
RGB (0–1)0.1569, 0.7333, 0.5412
RGB percentages15.7%, 73.3%, 54.1%
HSLhsl(160, 64.8%, 44.5%)
HSV / HSBhsv(160, 78.6%, 73.3%)
CMYK78.6%, 0%, 26.2%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,669,450
CSS custom property--colour: #28BB8A;

Brightness & contrast

Relative luminance0.37827WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.57:1
Contrast with white2.45:1WCAG normal text: Fail
Contrast with black8.57:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#D74475

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7AD87no red cones; affects about 1% of men; ΔE 47 from the original
Deuteranopia#A5A08Dno green cones; the most common form, about 1% of men; ΔE 47.6 from the original
Tritanopia#00BBAEno blue cones; rare, and affects men and women equally; ΔE 20.2 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 text8.57:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.3Medium aquamarine · ΔE 14.5Sea green · ΔE 19.7Turquoise · ΔE 23.2Light seagreen · ΔE 23.7Aquamarine · ΔE 24.8
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.33, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB2859
Analogous#28BB40, #28A3BB
Triadic#8A28BB, #BB8A28
Split complementary#BB28A2, #BB4028
Tetradic#4128BB, #BB2859, #A3BB28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEF1E0
Lighter +30%#94E8CC
Lighter +20%#6ADFB8
Lighter +10%#40D6A4
Darker −10%#1F916B
Darker −20%#16674C
Darker −30%#0D3D2D
Darker −40%#04130E
More saturated +25%#0CD793
Less saturated −25%#449F81

Channel breakdown

R40
G187
B138
Red40 (15.7%)
Green187 (73.3%)
Blue138 (54.1%)
Hue160°
Saturation (HSL)64.76%
Lightness44.51%
Dominant channelGreen
Hex per channelR 28 · G BB · B 8A

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Every value on this page was computed from “28bb8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.