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Recognised as Colour

#39958A

  • #39958A
  • Cyan
  • Dark
  • Nearest: Dark cyan

#39958A is a cyan with RGB values 57, 149, 138 and HSL 173°, 45%, 40%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#39958A#39958A
HEX#39958A
RGBrgb(57, 149, 138)
RGB (0–1)0.2235, 0.5843, 0.5412
RGB percentages22.4%, 58.4%, 54.1%
HSLhsl(172.8, 44.7%, 40.4%)
HSV / HSBhsv(172.8, 61.7%, 58.4%)
CMYK61.7%, 0%, 7.4%, 41.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,773,834
CSS custom property--colour: #39958A;

Brightness & contrast

Relative luminance0.242WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.84:1
Contrast with white3.6:1WCAG normal text: Fail
Contrast with black5.84:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#C66A75

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E8D8Ano red cones; affects about 1% of men; ΔE 29.9 from the original
Deuteranopia#80838Bno green cones; the most common form, about 1% of men; ΔE 30.4 from the original
Tritanopia#009891no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.6:1WCAG large text: AA
Contrast with black, large text5.84:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 7.9Teal · ΔE 10.2Cadetblue · ΔE 12.3Light seagreen · ΔE 12.9Medium turquoise · ΔE 22.8Medium aquamarine · ΔE 23.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 7.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#953944
Analogous#39955C, #397295
Triadic#8A3995, #958A39
Split complementary#953972, #955C39
Tetradic#5C3995, #953944, #729539

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7E3DE
Lighter +30%#92D5CD
Lighter +20%#6DC7BC
Lighter +10%#48B9AB
Darker −10%#2B7068
Darker −20%#1D4B46
Darker −30%#0F2624
Darker −40%#010101
More saturated +25%#1FAF9E
Less saturated −25%#537B76

Channel breakdown

R57
G149
B138
Red57 (22.4%)
Green149 (58.4%)
Blue138 (54.1%)
Hue172.83°
Saturation (HSL)44.66%
Lightness40.39%
Dominant channelGreen
Hex per channelR 39 · G 95 · B 8A

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Every value on this page was computed from “39958a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.