#398D0F
Closest named color: Forest Green (#228B22). oklch(56.9% 0.171 138.4), rgb(57, 141, 15).
Aa
Black text reads best on this color (4.99:1).
About this color
#398D0F is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.171 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.018 away. Black text reads best on it, at 4.99:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #398D0F |
| RGB | rgb(57, 141, 15) |
| HSL | hsl(100, 81%, 31%) |
| OKLCH | oklch(56.9% 0.171 138.4) |
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 #398D0F | 4.20:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #398D0F | 4.99:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #398D0F text on white | 4.20:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #398D0F text on black | 4.99:1 | AA | Lc -33.0 | 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
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CCE0C5
oklch(88.4% 0.042 137.5)
-
Step 300
300
#A8CD9D
oklch(80.9% 0.077 138.6)
-
Step 400
400
#78B366
oklch(70.7% 0.124 138.6)
-
Step 500
500
#539F38
oklch(63.1% 0.158 138.5)
-
Step 600
600 (this color)
#398D0F
oklch(56.9% 0.171 138.4)
-
Step 700
700
#2A7300
oklch(49% 0.153 138.4)
-
Step 800
800
#225F02
oklch(42.8% 0.132 138.4)
-
Step 900
900
#214E10
oklch(37.8% 0.104 138.6)
-
Step 950
950
#142E0C
oklch(27.1% 0.066 139)
#398D0F 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) | #928000 | 0.112 |
| Deuteranopia (no green cones) | #877921 | 0.110 |
| Tritanopia (no blue cones) | #308877 | 0.118 |
| Achromatopsia (no color) | #7B7B7B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398D0F
#398D0F
oklch(56.9% 0.171 138.4)
- #A04FB6
#A04FB6
oklch(56.9% 0.171 318.6)
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 #398D0F, closest first.
No curated palette has a color within ΔE 0.04 of #398D0F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.018
- Emerald Green #028F1E ΔE 0.021
- Irish Green #019529 ΔE 0.027
- True Green #089404 ΔE 0.028
- Kelley Green #009337 ΔE 0.029
- Sap Green #5C8B15 ΔE 0.034
- Dark Grass Green #388004 ΔE 0.039
- Grass Green #3F9B0B ΔE 0.043
Use #398D0F 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.