#31710B
Closest named color: Tree Green (#2A7E19). oklch(48.7% 0.143 137.5), rgb(49, 113, 11).
Aa
White text reads best on this color (6.00:1).
About this color
#31710B is a medium-dark, vivid green. In OKLCH its lightness is 49%, its chroma 0.143 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.038 away. White text reads best on it, at 6.00:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #31710B |
| RGB | rgb(49, 113, 11) |
| HSL | hsl(98, 82%, 24%) |
| OKLCH | oklch(48.7% 0.143 137.5) |
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 #31710B | 6.00:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #31710B | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #31710B text on white | 6.00:1 | AA | Lc 79.7 | Fine for body text |
| #31710B text on black | 3.49:1 | AA large text | Lc -22.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ACCCA0
oklch(81% 0.07 137.2)
-
Step 400
400
#7EB16B
oklch(70.7% 0.112 137.6)
-
Step 500
500
#5C9D41
oklch(63.2% 0.143 137.5)
-
Step 600
600
#41871D
oklch(55.7% 0.154 137.4)
-
Step 700
700 (this color)
#31710B
oklch(48.7% 0.143 137.5)
-
Step 800
800
#2A5D11
oklch(42.7% 0.119 137.7)
-
Step 900
900
#274C17
oklch(37.6% 0.092 137.5)
-
Step 950
950
#172D0F
oklch(27% 0.059 138.1)
#31710B 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) | #756600 | 0.092 |
| Deuteranopia (no green cones) | #6D6119 | 0.091 |
| Tritanopia (no blue cones) | #2C6D5F | 0.099 |
| Achromatopsia (no color) | #636363 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31710B
#31710B
oklch(48.7% 0.143 137.5)
- #804094
#804094
oklch(48.8% 0.144 317.5)
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 #31710B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.038
- Dark Grass Green #388004 ΔE 0.048
- Green #008000 ΔE 0.049
- Dark Green #006400 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.056
- Jungle Green #048243 ΔE 0.058
- Dark Olive Green #556B2F ΔE 0.059
- Camo Green #526525 ΔE 0.059
Use #31710B 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.