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Colour

#1D9587

  • #1D9587
  • Cyan
  • Dark
  • Nearest: Dark cyan

#1D9587 is a cyan with RGB values 29, 149, 135 and HSL 173°, 67%, 35%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#1D9587#1D9587
HEX#1D9587
RGBrgb(29, 149, 135)
RGB (0–1)0.1137, 0.5843, 0.5294
RGB percentages11.4%, 58.4%, 52.9%
HSLhsl(173, 67.4%, 34.9%)
HSV / HSBhsv(173, 80.5%, 58.4%)
CMYK80.5%, 0%, 9.4%, 41.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,938,823
CSS custom property--colour: #1D9587;

Brightness & contrast

Relative luminance0.23505WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.7:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.7:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#E26A78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E8C87no red cones; affects about 1% of men; ΔE 34.9 from the original
Deuteranopia#7E8088no green cones; the most common form, about 1% of men; ΔE 35.7 from the original
Tritanopia#009891no blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.7:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 9Light seagreen · ΔE 11.6Teal · ΔE 11.6Cadetblue · ΔE 17Medium turquoise · ΔE 22.5Sea green · ΔE 22.6
Nearest named CSS colourDark cyan (#008B8B)ΔE 9.04, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#951D2B
Analogous#1D954B, #1D6795
Triadic#871D95, #95871D
Split complementary#951D67, #954B1D
Tetradic#4B1D95, #951D2B, #67951D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94EAE0
Lighter +30%#69E2D4
Lighter +20%#3EDAC7
Lighter +10%#25C0AE
Darker −10%#156A60
Darker −20%#0C403A
Darker −30%#041513
Darker −40%#000000
More saturated +25%#07AB98
Less saturated −25%#337F76

Channel breakdown

R29
G149
B135
Red29 (11.4%)
Green149 (58.4%)
Blue135 (52.9%)
Hue173°
Saturation (HSL)67.42%
Lightness34.9%
Dominant channelGreen
Hex per channelR 1D · G 95 · B 87

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Every value on this page was computed from “1d9587” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.