Recognised as Colour

#155C3F

#155C3F
Cyan
Dark
Nearest: Sea green

#155C3F is a cyan with RGB values 21, 92, 63 and HSL 155°, 63%, 22%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#155C3F#155C3F

HEX#155C3F

RGBrgb(21, 92, 63)

RGB (0–1)0.0824, 0.3608, 0.2471

RGB percentages8.2%, 36.1%, 24.7%

HSLhsl(155.5, 62.8%, 22.2%)

HSV / HSBhsv(155.5, 77.2%, 36.1%)

CMYK77.2%, 0%, 31.5%, 63.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,399,871

CSS custom property--colour: #155C3F;

Brightness & contrast

Relative luminance0.08173WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.97:1

Contrast with white7.97:1WCAG normal text: AAA

Contrast with black2.63:1WCAG normal text: Fail

Greyscale equivalent#4B4B4B

Inverted#EAA3C0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B553Dno red cones; affects about 1% of men; ΔE 27.8 from the original

Deuteranopia#524E41no green cones; the most common form, about 1% of men; ΔE 28.5 from the original

Tritanopia#005C54no blue cones; rare, and affects men and women equally; ΔE 13.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.97:1WCAG large text: AAA

Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Sea green · ΔE 22.2 Dark slate grey · ΔE 22.8 Teal · ΔE 23.6 Dark olivegreen · ΔE 23.9 Dark cyan · ΔE 26.6 Dim grey · ΔE 32.7

Nearest named CSS colourSea green (#2E8B57)ΔE 22.24, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#5C1532

Analogous#155C1B, #15565C

Triadic#3F155C, #5C3F15

Split complementary#5C1556, #5C1B15

Tetradic#1B155C, #5C1532, #565C15

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#62DBAA

Lighter +30%#38D293

Lighter +20%#28AF78

Lighter +10%#1E865B

Darker −10%#0C3223

Darker −20%#020906

Darker −30%#000000

Darker −40%#000000

More saturated +25%#076A42

Less saturated −25%#234E3C

Channel breakdown

R21

G92

B63

Red21 (8.2%)

Green92 (36.1%)

Blue63 (24.7%)

Hue155.49°

Saturation (HSL)62.83%

Lightness22.16%

Dominant channelGreen

Hex per channelR 15 · G 5C · B 3F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#155C3F

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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