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Recognised as Colour

#688D59

  • #688D59
  • Green
  • Dark
  • Nearest: Dark olivegreen

#688D59 is a green with RGB values 104, 141, 89 and HSL 103°, 23%, 45%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#688D59#688D59
HEX#688D59
RGBrgb(104, 141, 89)
RGB (0–1)0.4078, 0.5529, 0.349
RGB percentages40.8%, 55.3%, 34.9%
HSLhsl(102.7, 22.6%, 45.1%)
HSV / HSBhsv(102.7, 36.9%, 55.3%)
CMYK26.2%, 0%, 36.9%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,851,929
CSS custom property--colour: #688D59;

Brightness & contrast

Relative luminance0.22714WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.54:1
Contrast with white3.79:1WCAG normal text: Fail
Contrast with black5.54:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#9772A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#908555no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#8B825Cno green cones; the most common form, about 1% of men; ΔE 20.5 from the original
Tritanopia#678980no blue cones; rare, and affects men and women equally; ΔE 24.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.79:1WCAG large text: AA
Contrast with black, large text5.54:1WCAG large text: AAA

Named colours

Dark olivegreen · ΔE 15Sea green · ΔE 17.3Dark seagreen · ΔE 18.2Olivedrab · ΔE 26.5Medium seagreen · ΔE 27.2Dark khaki · ΔE 28.2
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 14.95, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E598D
Analogous#828D59, #598D64
Triadic#59688D, #8D5968
Split complementary#64598D, #8D5982
Tetradic#59828D, #7E598D, #8D6459

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E2D0
Lighter +30%#B9CEB1
Lighter +20%#9DBA92
Lighter +10%#82A673
Darker −10%#516E45
Darker −20%#3A4E32
Darker −30%#232F1E
Darker −40%#0C100A
More saturated +25%#5CAA3C
Less saturated −25%#737373

Channel breakdown

R104
G141
B89
Red104 (40.8%)
Green141 (55.3%)
Blue89 (34.9%)
Hue102.69°
Saturation (HSL)22.61%
Lightness45.1%
Dominant channelGreen
Hex per channelR 68 · G 8D · B 59

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Every value on this page was computed from “688d59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.