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Recognised as Colour

#399D97

  • #399D97
  • Cyan
  • Dark
  • Nearest: Dark cyan

#399D97 is a cyan with RGB values 57, 157, 151 and HSL 176°, 47%, 42%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#399D97#399D97
HEX#399D97
RGBrgb(57, 157, 151)
RGB (0–1)0.2235, 0.6157, 0.5922
RGB percentages22.4%, 61.6%, 59.2%
HSLhsl(176.4, 46.7%, 42%)
HSV / HSBhsv(176.4, 63.7%, 61.6%)
CMYK63.7%, 0%, 3.8%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,775,895
CSS custom property--colour: #399D97;

Brightness & contrast

Relative luminance0.27218WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.44:1
Contrast with white3.26:1WCAG normal text: Fail
Contrast with black6.44:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#C66268

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#949597no red cones; affects about 1% of men; ΔE 30.4 from the original
Deuteranopia#858A98no green cones; the most common form, about 1% of men; ΔE 31.3 from the original
Tritanopia#00A19Bno blue cones; rare, and affects men and women equally; ΔE 6.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.26:1WCAG large text: AA
Contrast with black, large text6.44:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 7.9Light seagreen · ΔE 10.1Cadetblue · ΔE 10.7Teal · ΔE 11.4Medium turquoise · ΔE 19.4Dark turquoise · ΔE 20.6
Nearest named CSS colourDark cyan (#008B8B)ΔE 7.86, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D393F
Analogous#399D65, #39719D
Triadic#97399D, #9D9739
Split complementary#9D3971, #9D6539
Tetradic#65399D, #9D393F, #719D39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCE6E4
Lighter +30%#96D9D5
Lighter +20%#71CBC6
Lighter +10%#4BBEB7
Darker −10%#2B7873
Darker −20%#1E524F
Darker −30%#102D2B
Darker −40%#030707
More saturated +25%#1EB8AF
Less saturated −25%#54827F

Channel breakdown

R57
G157
B151
Red57 (22.4%)
Green157 (61.6%)
Blue151 (59.2%)
Hue176.4°
Saturation (HSL)46.73%
Lightness41.96%
Dominant channelGreen
Hex per channelR 39 · G 9D · B 97

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Every value on this page was computed from “399d97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.