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Recognised as Colour

#637F0C

  • #637F0C
  • Green
  • Dark
  • Nearest: Olivedrab

#637F0C is a green with RGB values 99, 127, 12 and HSL 75°, 83%, 27%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Olivedrab.

Colour values

#637F0C#637F0C
HEX#637F0C
RGBrgb(99, 127, 12)
RGB (0–1)0.3882, 0.498, 0.0471
RGB percentages38.8%, 49.8%, 4.7%
HSLhsl(74.6, 82.7%, 27.3%)
HSV / HSBhsv(74.6, 90.6%, 49.8%)
CMYK22%, 0%, 90.6%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,520,588
CSS custom property--colour: #637F0C;

Brightness & contrast

Relative luminance0.17858WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.59:1
Contrast with white4.59:1WCAG normal text: AA
Contrast with black4.57:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#9C80F3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#877600no red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#83751Bno green cones; the most common form, about 1% of men; ΔE 20.8 from the original
Tritanopia#68786Bno blue cones; rare, and affects men and women equally; ΔE 49.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.59:1WCAG large text: AAA
Contrast with black, large text4.57:1WCAG large text: AAA

Named colours

Olivedrab · ΔE 6.3Olive · ΔE 13.6Dark olivegreen · ΔE 22.9Dark green · ΔE 24.3Forest green · ΔE 25.2Green · ΔE 26.7
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 6.33, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#280C7F
Analogous#7F610C, #2A7F0C
Triadic#0C637F, #7F0C63
Split complementary#0C2A7F, #610C7F
Tetradic#0C7F61, #280C7F, #7F0C2A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFF166
Lighter +30%#C0EC38
Lighter +20%#ACDC15
Lighter +10%#87AE10
Darker −10%#3F5008
Darker −20%#1A2203
Darker −30%#000000
Darker −40%#000000
More saturated +25%#698B00
Less saturated −25%#5A6E1D

Channel breakdown

R99
G127
B12
Red99 (38.8%)
Green127 (49.8%)
Blue12 (4.7%)
Hue74.61°
Saturation (HSL)82.73%
Lightness27.25%
Dominant channelGreen
Hex per channelR 63 · G 7F · B 0C

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Every value on this page was computed from “637f0c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.