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Recognised as Colour

#1B7351

  • #1B7351
  • Cyan
  • Dark
  • Nearest: Sea green

#1B7351 is a cyan with RGB values 27, 115, 81 and HSL 157°, 62%, 28%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#1B7351#1B7351
HEX#1B7351
RGBrgb(27, 115, 81)
RGB (0–1)0.1059, 0.451, 0.3176
RGB percentages10.6%, 45.1%, 31.8%
HSLhsl(156.8, 62%, 27.8%)
HSV / HSBhsv(156.8, 76.5%, 45.1%)
CMYK76.5%, 0%, 29.6%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,798,993
CSS custom property--colour: #1B7351;

Brightness & contrast

Relative luminance0.13089WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.8:1
Contrast with white5.8:1WCAG normal text: AA
Contrast with black3.62:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#E48CAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#716A4Fno red cones; affects about 1% of men; ΔE 32.6 from the original
Deuteranopia#666253no green cones; the most common form, about 1% of men; ΔE 33 from the original
Tritanopia#00736Ano blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.8:1WCAG large text: AAA
Contrast with black, large text3.62:1WCAG large text: AA

Named colours

Sea green · ΔE 13.3Teal · ΔE 21.5Dark cyan · ΔE 22.9Dark olivegreen · ΔE 24.4Medium seagreen · ΔE 29.3Light seagreen · ΔE 29.3
Nearest named CSS colourSea green (#2E8B57)ΔE 13.28, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#731B3D
Analogous#1B7325, #1B6973
Triadic#511B73, #73511B
Split complementary#731B69, #73251B
Tetradic#251B73, #731B3D, #69731B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AE0B9
Lighter +30%#51D6A3
Lighter +20%#2EC68B
Lighter +10%#259C6E
Darker −10%#114A34
Darker −20%#082017
Darker −30%#000000
Darker −40%#000000
More saturated +25%#098555
Less saturated −25%#2D614D

Channel breakdown

R27
G115
B81
Red27 (10.6%)
Green115 (45.1%)
Blue81 (31.8%)
Hue156.82°
Saturation (HSL)61.97%
Lightness27.84%
Dominant channelGreen
Hex per channelR 1B · G 73 · B 51

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Every value on this page was computed from “1b7351” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.