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Recognised as Colour

#1B8565

  • #1B8565
  • Cyan
  • Dark
  • Nearest: Sea green

#1B8565 is a cyan with RGB values 27, 133, 101 and HSL 162°, 66%, 31%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#1B8565#1B8565
HEX#1B8565
RGBrgb(27, 133, 101)
RGB (0–1)0.1059, 0.5216, 0.3961
RGB percentages10.6%, 52.2%, 39.6%
HSLhsl(161.9, 66.3%, 31.4%)
HSV / HSBhsv(161.9, 79.7%, 52.2%)
CMYK79.7%, 0%, 24.1%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,803,621
CSS custom property--colour: #1B8565;

Brightness & contrast

Relative luminance0.17948WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.59:1
Contrast with white4.58:1WCAG normal text: AA
Contrast with black4.59:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#E47A9A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#827B63no red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#747267no green cones; the most common form, about 1% of men; ΔE 35.8 from the original
Tritanopia#00867Cno blue cones; rare, and affects men and women equally; ΔE 13.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.58:1WCAG large text: AAA
Contrast with black, large text4.59:1WCAG large text: AAA

Named colours

Sea green · ΔE 11.5Dark cyan · ΔE 19.4Teal · ΔE 19.4Light seagreen · ΔE 22.5Medium seagreen · ΔE 24.7Medium aquamarine · ΔE 26.3
Nearest named CSS colourSea green (#2E8B57)ΔE 11.48, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#851B3B
Analogous#1B8530, #1B7085
Triadic#651B85, #85651B
Split complementary#851B70, #85301B
Tetradic#301B85, #851B3B, #70851B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86E6C9
Lighter +30%#5BDEB6
Lighter +20%#31D5A4
Lighter +10%#24AF85
Darker −10%#125B45
Darker −20%#0A3025
Darker −30%#010604
Darker −40%#000000
More saturated +25%#07996D
Less saturated −25%#2F715D

Channel breakdown

R27
G133
B101
Red27 (10.6%)
Green133 (52.2%)
Blue101 (39.6%)
Hue161.89°
Saturation (HSL)66.25%
Lightness31.37%
Dominant channelGreen
Hex per channelR 1B · G 85 · B 65

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Every value on this page was computed from “1b8565” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.