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Colour

#00C999

  • #00C999
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#00C999 is a cyan with RGB values 0, 201, 153 and HSL 166°, 100%, 39%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#00C999#00C999
HEX#00C999
RGBrgb(0, 201, 153)
RGB (0–1)0, 0.7882, 0.6
RGB percentages0%, 78.8%, 60%
HSLhsl(165.7, 100%, 39.4%)
HSV / HSBhsv(165.7, 100%, 78.8%)
CMYK100%, 0%, 23.9%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer51,609
CSS custom property--colour: #00C999;

Brightness & contrast

Relative luminance0.44073WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.81:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.81:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#FF3666

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C4BA96no red cones; affects about 1% of men; ΔE 51.7 from the original
Deuteranopia#AFAB9Cno green cones; the most common form, about 1% of men; ΔE 52.3 from the original
Tritanopia#00CABCno blue cones; rare, and affects men and women equally; ΔE 19.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.81:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 14.8Medium aquamarine · ΔE 15.9Turquoise · ΔE 20.8Aquamarine · ΔE 21.4Light seagreen · ΔE 25.3Sea green · ΔE 26
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 14.76, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C90030
Analogous#00C934, #0095C9
Triadic#9900C9, #C99900
Split complementary#C90095, #C93400
Tetradic#3400C9, #C90030, #95C900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96FFE6
Lighter +30%#63FFDA
Lighter +20%#30FFCE
Lighter +10%#00FCC0
Darker −10%#009672
Darker −20%#00634B
Darker −30%#003025
Darker −40%#000000
More saturated +25%#00C999
Less saturated −25%#19B08C

Channel breakdown

R0
G201
B153
Red0 (0%)
Green201 (78.8%)
Blue153 (60%)
Hue165.67°
Saturation (HSL)100%
Lightness39.41%
Dominant channelGreen
Hex per channelR 00 · G C9 · B 99

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Every value on this page was computed from “00c999” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.