#318F1F
Closest named color: Forest Green (#228B22). oklch(57.3% 0.17 140.9), rgb(49, 143, 31).
Aa
Black text reads best on this color (5.07:1).
About this color
#318F1F is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.170 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.016 away. Black text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #318F1F |
| RGB | rgb(49, 143, 31) |
| HSL | hsl(110, 64%, 34%) |
| OKLCH | oklch(57.3% 0.17 140.9) |
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 #318F1F | 4.13:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #318F1F | 5.07:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #318F1F text on white | 4.13:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #318F1F text on black | 5.07:1 | AA | Lc -33.7 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A6CD9F
oklch(80.8% 0.076 140.8)
-
Step 400
400
#74B36A
oklch(70.6% 0.122 141.1)
-
Step 500
500
#4DA03F
oklch(63.2% 0.156 140.9)
-
Step 600
600 (this color)
#318F1F
oklch(57.3% 0.17 140.9)
-
Step 700
700
#1C7505
oklch(49.2% 0.158 140.8)
-
Step 800
800
#1B5F0D
oklch(42.7% 0.13 140.9)
-
Step 900
900
#1D4E15
oklch(37.7% 0.102 141)
-
Step 950
950
#122E0E
oklch(27% 0.065 141.2)
#318F1F 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) | #938104 | 0.116 |
| Deuteranopia (no green cones) | #887A2C | 0.117 |
| Tritanopia (no blue cones) | #218A7A | 0.113 |
| Achromatopsia (no color) | #7D7D7D | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318F1F
#318F1F
oklch(57.3% 0.17 140.9)
- #A44FB4
#A44FB4
oklch(57.3% 0.171 321.1)
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 #318F1F, closest first.
No curated palette has a color within ΔE 0.04 of #318F1F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.016
- Emerald Green #028F1E ΔE 0.017
- Irish Green #019529 ΔE 0.020
- Kelley Green #009337 ΔE 0.021
- True Green #089404 ΔE 0.026
- Sap Green #5C8B15 ΔE 0.038
- Grass Green #3F9B0B ΔE 0.041
- Dark Grass Green #388004 ΔE 0.043
Use #318F1F 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.