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Recognised as Colour

#0099DA

  • #0099DA
  • Cyan
  • Dark
  • Nearest: Steel blue

#0099DA is a cyan with RGB values 0, 153, 218 and HSL 198°, 100%, 43%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0099DA#0099DA
HEX#0099DA
RGBrgb(0, 153, 218)
RGB (0–1)0, 0.6, 0.8549
RGB percentages0%, 60%, 85.5%
HSLhsl(197.9, 100%, 42.7%)
HSV / HSBhsv(197.9, 100%, 85.5%)
CMYK100%, 29.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer39,386
CSS custom property--colour: #0099DA;

Brightness & contrast

Relative luminance0.27844WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.57:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.57:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#FF6625

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7999DDno red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#5F88D9no green cones; the most common form, about 1% of men; ΔE 20.3 from the original
Tritanopia#00AAB0no blue cones; rare, and affects men and women equally; ΔE 37.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.57:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14Deep skyblue · ΔE 14.8Cornflower blue · ΔE 20.9Light skyblue · ΔE 24.3Sky blue · ΔE 29.1Dodgerblue · ΔE 29.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.96, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA4100
Analogous#00DAAE, #002CDA
Triadic#DA0099, #99DA00
Split complementary#DA002C, #DAAE00
Tetradic#AE00DA, #DA4100, #2CDA00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7E5FF
Lighter +30%#74D6FF
Lighter +20%#41C6FF
Lighter +10%#0EB7FF
Darker −10%#0075A7
Darker −20%#005174
Darker −30%#002E41
Darker −40%#000A0E
More saturated +25%#0099DA
Less saturated −25%#1B8EBF

Channel breakdown

R0
G153
B218
Red0 (0%)
Green153 (60%)
Blue218 (85.5%)
Hue197.89°
Saturation (HSL)100%
Lightness42.75%
Dominant channelBlue
Hex per channelR 00 · G 99 · B DA

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Every value on this page was computed from “0099da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.