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Recognised as Colour

#299F66

  • #299F66
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#299F66 is a cyan with RGB values 41, 159, 102 and HSL 151°, 59%, 39%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#299F66#299F66
HEX#299F66
RGBrgb(41, 159, 102)
RGB (0–1)0.1608, 0.6235, 0.4
RGB percentages16.1%, 62.4%, 40%
HSLhsl(151, 59%, 39.2%)
HSV / HSBhsv(151, 74.2%, 62.4%)
CMYK74.2%, 0%, 35.8%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,727,782
CSS custom property--colour: #299F66;

Brightness & contrast

Relative luminance0.26227WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.25:1
Contrast with white3.36:1WCAG normal text: Fail
Contrast with black6.25:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#D66099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9E9262no red cones; affects about 1% of men; ΔE 43.3 from the original
Deuteranopia#8F886Ano green cones; the most common form, about 1% of men; ΔE 43.4 from the original
Tritanopia#009E90no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.36:1WCAG large text: AA
Contrast with black, large text6.25:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 8.3Sea green · ΔE 9Medium aquamarine · ΔE 22.6Forest green · ΔE 25.8Dark seagreen · ΔE 26Light seagreen · ΔE 29.3
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 8.28, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F2962
Analogous#299F2B, #299D9F
Triadic#66299F, #9F6629
Split complementary#9F299D, #9F2B29
Tetradic#2B299F, #9F2962, #9D9F29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABE9CB
Lighter +30%#82DFB2
Lighter +20%#5AD499
Lighter +10%#33C880
Darker −10%#1F764C
Darker −20%#144E32
Darker −30%#0A2518
Darker −40%#000000
More saturated +25%#10B867
Less saturated −25%#428665

Channel breakdown

R41
G159
B102
Red41 (16.1%)
Green159 (62.4%)
Blue102 (40%)
Hue151.02°
Saturation (HSL)59%
Lightness39.22%
Dominant channelGreen
Hex per channelR 29 · G 9F · B 66

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Every value on this page was computed from “299f66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.