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Recognised as Colour

#187C59

  • #187C59
  • Cyan
  • Dark
  • Nearest: Sea green

#187C59 is a cyan with RGB values 24, 124, 89 and HSL 159°, 68%, 29%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#187C59#187C59
HEX#187C59
RGBrgb(24, 124, 89)
RGB (0–1)0.0941, 0.4863, 0.349
RGB percentages9.4%, 48.6%, 34.9%
HSLhsl(159, 67.6%, 29%)
HSV / HSBhsv(159, 80.6%, 48.6%)
CMYK80.6%, 0%, 28.2%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,604,697
CSS custom property--colour: #187C59;

Brightness & contrast

Relative luminance0.15331WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.16:1
Contrast with white5.16:1WCAG normal text: AA
Contrast with black4.07:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#E783A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7A7257no red cones; affects about 1% of men; ΔE 35.3 from the original
Deuteranopia#6D6A5Bno green cones; the most common form, about 1% of men; ΔE 34.9 from the original
Tritanopia#007C72no blue cones; rare, and affects men and women equally; ΔE 15.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.16:1WCAG large text: AAA
Contrast with black, large text4.07:1WCAG large text: AA

Named colours

Sea green · ΔE 10.7Teal · ΔE 21.4Dark cyan · ΔE 22.1Medium seagreen · ΔE 25.9Dark olivegreen · ΔE 26.4Light seagreen · ΔE 26.5
Nearest named CSS colourSea green (#2E8B57)ΔE 10.74, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C183B
Analogous#187C27, #186D7C
Triadic#59187C, #7C5918
Split complementary#7C186D, #7C2718
Tetradic#27187C, #7C183B, #6D7C18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7BE5C0
Lighter +30%#50DDAC
Lighter +20%#29D196
Lighter +10%#20A778
Darker −10%#10513A
Darker −20%#07271C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#058F5F
Less saturated −25%#2A6A53

Channel breakdown

R24
G124
B89
Red24 (9.4%)
Green124 (48.6%)
Blue89 (34.9%)
Hue159°
Saturation (HSL)67.57%
Lightness29.02%
Dominant channelGreen
Hex per channelR 18 · G 7C · B 59

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Every value on this page was computed from “187c59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.