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Recognised as Colour

#42999D

  • #42999D
  • Cyan
  • Dark
  • Nearest: Cadetblue

#42999D is a cyan with RGB values 66, 153, 157 and HSL 183°, 41%, 44%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#42999D#42999D
HEX#42999D
RGBrgb(66, 153, 157)
RGB (0–1)0.2588, 0.6, 0.6157
RGB percentages25.9%, 60%, 61.6%
HSLhsl(182.6, 40.8%, 43.7%)
HSV / HSBhsv(182.6, 58%, 61.6%)
CMYK58%, 2.5%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,364,701
CSS custom property--colour: #42999D;

Brightness & contrast

Relative luminance0.26375WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.28:1
Contrast with white3.35:1WCAG normal text: Fail
Contrast with black6.28:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#BD6662

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8F939Dno red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#80889Eno green cones; the most common form, about 1% of men; ΔE 26.7 from the original
Tritanopia#009E9Ano blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.35:1WCAG large text: AA
Contrast with black, large text6.28:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 6.2Dark cyan · ΔE 8.7Teal · ΔE 11.1Light seagreen · ΔE 15.3Medium turquoise · ΔE 22.5Light slate grey · ΔE 22.6
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 6.22, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D4642
Analogous#429D74, #426B9D
Triadic#9D4299, #999D42
Split complementary#9D426B, #9D7442
Tetradic#74429D, #9D4642, #6B9D42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5E5E6
Lighter +30%#A1D5D7
Lighter +20%#7DC5C8
Lighter +10%#59B5B9
Darker −10%#337679
Darker −20%#245355
Darker −30%#153031
Darker −40%#060D0D
More saturated +25%#26B2B9
Less saturated −25%#5E8081

Channel breakdown

R66
G153
B157
Red66 (25.9%)
Green153 (60%)
Blue157 (61.6%)
Hue182.64°
Saturation (HSL)40.81%
Lightness43.73%
Dominant channelBlue
Hex per channelR 42 · G 99 · B 9D

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Every value on this page was computed from “42999d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.