#31723B
Closest named color: Dark Olive Green (#556B2F). oklch(49.5% 0.109 146.8), rgb(49, 114, 59).
Aa
White text reads best on this color (5.83:1).
About this color
#31723B is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.109 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.040 away. White text reads best on it, at 5.83:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.60:1 |
| White text | 5.83:1 |
Values
| HEX | #31723B |
| RGB | rgb(49, 114, 59) |
| HSL | hsl(129, 40%, 32%) |
| OKLCH | oklch(49.5% 0.109 146.8) |
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 #31723B | 5.83:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #31723B | 3.60:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #31723B text on white | 5.83:1 | AA | Lc 78.9 | Fine for body text |
| #31723B text on black | 3.60:1 | AA large text | Lc -22.9 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCE
oklch(88.5% 0.03 146.9)
-
Step 300
300
#ABCAAD
oklch(80.8% 0.052 146.8)
-
Step 400
400
#7EAF82
oklch(70.7% 0.083 146.7)
-
Step 500
500
#5B9B62
oklch(63.1% 0.107 146.7)
-
Step 600
600
#3E8549
oklch(55.5% 0.116 147.1)
-
Step 700
700 (this color)
#31723B
oklch(49.5% 0.109 146.8)
-
Step 800
800
#295C30
oklch(42.7% 0.09 146.6)
-
Step 900
900
#264B2B
oklch(37.6% 0.069 147.1)
-
Step 950
950
#172C19
oklch(26.9% 0.044 146.4)
#31723B 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) | #736937 | 0.085 |
| Deuteranopia (no green cones) | #6B633F | 0.084 |
| Tritanopia (no blue cones) | #247065 | 0.064 |
| Achromatopsia (no color) | #656565 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31723B
#31723B
oklch(49.5% 0.109 146.8)
- #824A82
#824A82
oklch(49.6% 0.109 327.1)
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 #31723B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.040
- Camo Green #526525 ΔE 0.047
- Jungle Green #048243 ΔE 0.048
- Dark Moss Green #606C38 ΔE 0.055
- Camouflage Green #4B6113 ΔE 0.055
- Tree Green #2A7E19 ΔE 0.056
- Muddy Green #657432 ΔE 0.061
- Mud Green #606602 ΔE 0.062
Use #31723B 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.