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Colour

#153A28

  • #153A28
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#153A28 is a cyan with RGB values 21, 58, 40 and HSL 151°, 47%, 15%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#153A28#153A28
HEX#153A28
RGBrgb(21, 58, 40)
RGB (0–1)0.0824, 0.2275, 0.1569
RGB percentages8.2%, 22.7%, 15.7%
HSLhsl(150.8, 46.8%, 15.5%)
HSV / HSBhsv(150.8, 63.8%, 22.7%)
CMYK63.8%, 0%, 31%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,391,144
CSS custom property--colour: #153A28;

Brightness & contrast

Relative luminance0.03339WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.59:1
Contrast with white12.59:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#EAC5D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393527no red cones; affects about 1% of men; ΔE 17.6 from the original
Deuteranopia#343229no green cones; the most common form, about 1% of men; ΔE 17.4 from the original
Tritanopia#083A35no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.59:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.2Black · ΔE 29.1Dim grey · ΔE 30.4Dark olivegreen · ΔE 31.3Teal · ΔE 32.9Dark cyan · ΔE 37
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.24, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A1527
Analogous#153A16, #15393A
Triadic#28153A, #3A2815
Split complementary#3A1539, #3A1615
Tetradic#16153A, #3A1527, #393A15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#58C38F
Lighter +30%#3EAA75
Lighter +20%#30855C
Lighter +10%#235F42
Darker −10%#07150E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B4428
Less saturated −25%#1F3028

Channel breakdown

R21
G58
B40
Red21 (8.2%)
Green58 (22.7%)
Blue40 (15.7%)
Hue150.81°
Saturation (HSL)46.84%
Lightness15.49%
Dominant channelGreen
Hex per channelR 15 · G 3A · B 28

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Every value on this page was computed from “153a28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.