Colour
#688C40
- #688C40
- Green
- Dark
- Nearest: Olivedrab
#688C40 is a green with RGB values 104, 140, 64 and HSL 88°, 37%, 40%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Olivedrab.
Colour values
#688C40#688C40
HEX#688C40
RGBrgb(104, 140, 64)
RGB (0–1)0.4078, 0.549, 0.251
RGB percentages40.8%, 54.9%, 25.1%
HSLhsl(88.4, 37.3%, 40%)
HSV / HSBhsv(88.4, 54.3%, 54.9%)
CMYK25.7%, 0%, 54.3%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,851,648
CSS custom property--colour: #688C40;
Brightness & contrast
Relative luminance0.22069WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.41:1
Contrast with white3.88:1WCAG normal text: Fail
Contrast with black5.41:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#9773BF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.88:1WCAG large text: AA
Contrast with black, large text5.41:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#64408C
Analogous#8C8A40, #428C40
Triadic#40688C, #8C4068
Split complementary#40428C, #8A408C
Tetradic#408C8A, #64408C, #8C4042
Tints, shades & saturation
Channel breakdown
R104
G140
B64
Red104 (40.8%)
Green140 (54.9%)
Blue64 (25.1%)
Hue88.42°
Saturation (HSL)37.25%
Lightness40%
Dominant channelGreen
Hex per channelR 68 · G 8C · B 40
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page