Nerdulator> put something in

Recognised as Colour

#28C8CD

  • #28C8CD
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#28C8CD is a cyan with RGB values 40, 200, 205 and HSL 182°, 67%, 48%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#28C8CD#28C8CD
HEX#28C8CD
RGBrgb(40, 200, 205)
RGB (0–1)0.1569, 0.7843, 0.8039
RGB percentages15.7%, 78.4%, 80.4%
HSLhsl(181.8, 67.3%, 48%)
HSV / HSBhsv(181.8, 80.5%, 80.4%)
CMYK80.5%, 2.4%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,672,845
CSS custom property--colour: #28C8CD;

Brightness & contrast

Relative luminance0.46167WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.23:1
Contrast with white2.05:1WCAG normal text: Fail
Contrast with black10.23:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#D73732

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9BECEno red cones; affects about 1% of men; ΔE 38.5 from the original
Deuteranopia#A3AECEno green cones; the most common form, about 1% of men; ΔE 39.9 from the original
Tritanopia#00CFC9no blue cones; rare, and affects men and women equally; ΔE 8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.05:1WCAG large text: Fail
Contrast with black, large text10.23:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 3.8Medium turquoise · ΔE 6.4Light seagreen · ΔE 10.9Turquoise · ΔE 14.4Aqua · ΔE 20.9Cyan · ΔE 20.9
Nearest named CSS colourDark turquoise (#00CED1)ΔE 3.79, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD2D28
Analogous#28CD80, #2876CD
Triadic#CD28C8, #C8CD28
Split complementary#CD2876, #CD7F28
Tetradic#7F28CD, #CD2D28, #76CD28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCF4F5
Lighter +30%#A1EAED
Lighter +20%#77E1E4
Lighter +10%#4CD8DC
Darker −10%#209EA2
Darker −20%#177578
Darker −30%#0F4B4D
Darker −40%#072122
More saturated +25%#09E5EC
Less saturated −25%#47ABAE

Channel breakdown

R40
G200
B205
Red40 (15.7%)
Green200 (78.4%)
Blue205 (80.4%)
Hue181.82°
Saturation (HSL)67.35%
Lightness48.04%
Dominant channelBlue
Hex per channelR 28 · G C8 · B CD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “28c8cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.