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Colour

#28CFB3

  • #28CFB3
  • Cyan
  • Dark
  • Nearest: Turquoise

#28CFB3 is a cyan with RGB values 40, 207, 179 and HSL 170°, 68%, 48%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#28CFB3#28CFB3
HEX#28CFB3
RGBrgb(40, 207, 179)
RGB (0–1)0.1569, 0.8118, 0.702
RGB percentages15.7%, 81.2%, 70.2%
HSLhsl(169.9, 67.6%, 48.4%)
HSV / HSBhsv(169.9, 80.7%, 81.2%)
CMYK80.7%, 0%, 13.5%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,674,611
CSS custom property--colour: #28CFB3;

Brightness & contrast

Relative luminance0.48331WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.67:1
Contrast with white1.97:1WCAG normal text: Fail
Contrast with black10.67:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#D7304C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C6C2B2no red cones; affects about 1% of men; ΔE 46.2 from the original
Deuteranopia#B1B2B5no green cones; the most common form, about 1% of men; ΔE 47.5 from the original
Tritanopia#00D2C7no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.97:1WCAG large text: Fail
Contrast with black, large text10.67:1WCAG large text: AAA

Named colours

Turquoise · ΔE 9.4Medium aquamarine · ΔE 10.6Medium turquoise · ΔE 14.5Light seagreen · ΔE 15.8Dark turquoise · ΔE 17.3Aquamarine · ΔE 18.6
Nearest named CSS colourTurquoise (#40E0D0)ΔE 9.37, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF2844
Analogous#28CF60, #2897CF
Triadic#B328CF, #CFB328
Split complementary#CF2897, #CF5F28
Tetradic#6028CF, #CF2844, #98CF28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEF5EF
Lighter +30%#A3EDE1
Lighter +20%#78E5D3
Lighter +10%#4DDDC5
Darker −10%#20A48E
Darker −20%#177A69
Darker −30%#0F4F44
Darker −40%#07241F
More saturated +25%#09EEC8
Less saturated −25%#47B09E

Channel breakdown

R40
G207
B179
Red40 (15.7%)
Green207 (81.2%)
Blue179 (70.2%)
Hue169.94°
Saturation (HSL)67.61%
Lightness48.43%
Dominant channelGreen
Hex per channelR 28 · G CF · B B3

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Every value on this page was computed from “28cfb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.