#31723F
Closest named color: Dark Olive Green (#556B2F). oklch(49.6% 0.104 148.5), rgb(49, 114, 63).
Aa
White text reads best on this color (5.81:1).
About this color
#31723F is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.104 and its hue 148°. 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 5.81:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.60:1 |
| White text | 5.81:1 |
Values
| HEX | #31723F |
| RGB | rgb(49, 114, 63) |
| HSL | hsl(133, 40%, 32%) |
| OKLCH | oklch(49.6% 0.104 148.5) |
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 #31723F | 5.81:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #31723F | 3.60:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #31723F text on white | 5.81:1 | AA | Lc 78.9 | Fine for body text |
| #31723F 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
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#ABCAAF
oklch(80.9% 0.05 148.8)
-
Step 400
400
#7DAF85
oklch(70.7% 0.081 148.9)
-
Step 500
500
#5B9B66
oklch(63.2% 0.103 148.4)
-
Step 600
600
#3E854D
oklch(55.6% 0.112 148.6)
-
Step 700
700 (this color)
#31723F
oklch(49.6% 0.104 148.5)
-
Step 800
800
#295C33
oklch(42.8% 0.087 148.2)
-
Step 900
900
#264B2D
oklch(37.6% 0.067 148.6)
-
Step 950
950
#172C1B
oklch(27% 0.042 149.1)
#31723F 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) | #73693B | 0.084 |
| Deuteranopia (no green cones) | #6A6342 | 0.083 |
| Tritanopia (no blue cones) | #237066 | 0.060 |
| Achromatopsia (no color) | #656565 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31723F
#31723F
oklch(49.6% 0.104 148.5)
- #824B7F
#824B7F
oklch(49.6% 0.104 329)
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 #31723F, 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 0.048
- Jungle Green #048243 ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.057
- Tree Green #2A7E19 ΔE 0.060
- Muddy Green #657432 ΔE 0.061
- Mud Green #606602 ΔE 0.064
Use #31723F 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.