#31663F
Closest named color: Pine (#2B5D34). oklch(46.3% 0.085 150.5), rgb(49, 102, 63).
Aa
White text reads best on this color (6.76:1).
About this color
#31663F is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.085 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.031 away. White text reads best on it, at 6.76:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #31663F |
| RGB | rgb(49, 102, 63) |
| HSL | hsl(136, 35%, 30%) |
| OKLCH | oklch(46.3% 0.085 150.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #31663F | 6.76:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #31663F | 3.10:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #31663F text on white | 6.76:1 | AA | Lc 83.2 | Fine for body text |
| #31663F text on black | 3.10:1 | AA large text | Lc -18.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B3
oklch(81% 0.042 150.7)
-
Step 400
400
#83AD8B
oklch(70.8% 0.067 150.2)
-
Step 500
500
#63986F
oklch(63.1% 0.084 150.6)
-
Step 600
600
#488257
oklch(55.5% 0.091 150.9)
-
Step 700
700 (this color)
#31663F
oklch(46.3% 0.085 150.5)
-
Step 800
800
#305A3A
oklch(42.7% 0.071 150.2)
-
Step 900
900
#2B4A32
oklch(37.7% 0.055 150.3)
-
Step 950
950
#1A2B1D
oklch(26.9% 0.034 149.2)
#31663F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #675E3C | 0.073 |
| Deuteranopia (no green cones) | #5F5941 | 0.071 |
| Tritanopia (no blue cones) | #26645C | 0.047 |
| Achromatopsia (no color) | #5B5B5B | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31663F
#31663F
oklch(46.3% 0.085 150.5)
- #74466F
#74466F
oklch(46.3% 0.086 330.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #31663F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.031
- Spruce #0A5F38 ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.042
- Camo Green #526525 ΔE 0.044
- Camouflage Green #4B6113 ΔE 0.047
- Army Green #4B5D16 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.050
- Dark Moss Green #606C38 ΔE 0.063
Use #31663F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.