#31872E
Closest named color: Forest Green (#228B22). oklch(55.2% 0.15 142.7), rgb(49, 135, 46).
Aa
Black text reads best on this color (4.63:1).
About this color
#31872E is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.150 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.020 away. Black text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #31872E |
| RGB | rgb(49, 135, 46) |
| HSL | hsl(118, 49%, 35%) |
| OKLCH | oklch(55.2% 0.15 142.7) |
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 #31872E | 4.53:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #31872E | 4.63:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #31872E text on white | 4.53:1 | AA | Lc 71.1 | Content text, not long reading |
| #31872E text on black | 4.63:1 | AA | Lc -30.6 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A8CCA4
oklch(80.8% 0.067 142.3)
-
Step 400
400
#78B273
oklch(70.7% 0.108 142.5)
-
Step 500
500
#529E4E
oklch(63.1% 0.137 142.8)
-
Step 600
600 (this color)
#31872E
oklch(55.2% 0.15 142.7)
-
Step 700
700
#247322
oklch(49% 0.139 142.8)
-
Step 800
800
#205E1E
oklch(42.7% 0.115 142.8)
-
Step 900
900
#214D1E
oklch(37.7% 0.09 142.4)
-
Step 950
950
#142D13
oklch(26.9% 0.056 143.1)
#31872E 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) | #8A7B23 | 0.107 |
| Deuteranopia (no green cones) | #7F7336 | 0.108 |
| Tritanopia (no blue cones) | #218374 | 0.096 |
| Achromatopsia (no color) | #767676 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31872E
#31872E
oklch(55.2% 0.15 142.7)
- #9A4FA4
#9A4FA4
oklch(55.1% 0.15 322.8)
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 #31872E, closest first.
No curated palette has a color within ΔE 0.04 of #31872E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.020
- Dark Grass Green #388004 ΔE 0.027
- Tree Green #2A7E19 ΔE 0.030
- Emerald Green #028F1E ΔE 0.034
- Jungle Green #048243 ΔE 0.034
- Kelley Green #009337 ΔE 0.035
- Green #008000 ΔE 0.042
- Sap Green #5C8B15 ΔE 0.044
Use #31872E 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.