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Recognised as Colour

#689A89

  • #689A89
  • Cyan
  • Dark
  • Nearest: Cadetblue

#689A89 is a cyan with RGB values 104, 154, 137 and HSL 160°, 20%, 51%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#689A89#689A89
HEX#689A89
RGBrgb(104, 154, 137)
RGB (0–1)0.4078, 0.6039, 0.5373
RGB percentages40.8%, 60.4%, 53.7%
HSLhsl(159.6, 19.8%, 50.6%)
HSV / HSBhsv(159.6, 32.5%, 60.4%)
CMYK32.5%, 0%, 11%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,855,305
CSS custom property--colour: #689A89;

Brightness & contrast

Relative luminance0.2786WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.57:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.57:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#976576

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#979488no red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#8E8D8Ano green cones; the most common form, about 1% of men; ΔE 20.5 from the original
Tritanopia#5B9B95no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.57:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 11.1Dark cyan · ΔE 17.8Teal · ΔE 18.6Dark seagreen · ΔE 19.3Light seagreen · ΔE 20.5Gray · ΔE 21.8
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 11.15, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A6879
Analogous#689A70, #68929A
Triadic#89689A, #9A8968
Split complementary#9A6892, #9A7068
Tetradic#70689A, #9A6879, #929A68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2ECE9
Lighter +30%#C4D7D1
Lighter +20%#A5C3B9
Lighter +10%#87AEA1
Darker −10%#537C6E
Darker −20%#3F5D53
Darker −30%#2A3F38
Darker −40%#16201D
More saturated +25%#49BA93
Less saturated −25%#818181

Channel breakdown

R104
G154
B137
Red104 (40.8%)
Green154 (60.4%)
Blue137 (53.7%)
Hue159.6°
Saturation (HSL)19.84%
Lightness50.59%
Dominant channelGreen
Hex per channelR 68 · G 9A · B 89

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Every value on this page was computed from “689a89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.