#398E11
Closest named color: Forest Green (#228B22). oklch(57.2% 0.172 138.6), rgb(57, 142, 17).
Aa
Black text reads best on this color (5.05:1).
About this color
#398E11 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.172 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.019 away. Black text reads best on it, at 5.05:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #398E11 |
| RGB | rgb(57, 142, 17) |
| HSL | hsl(101, 79%, 31%) |
| OKLCH | oklch(57.2% 0.172 138.6) |
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 #398E11 | 4.15:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #398E11 | 5.05:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #398E11 text on white | 4.15:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #398E11 text on black | 5.05:1 | AA | Lc -33.4 | 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
#CBE0C5
oklch(88.4% 0.043 138.7)
-
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)
#398E11
oklch(57.2% 0.172 138.6)
-
Step 700
700
#297400
oklch(49.2% 0.154 138.7)
-
Step 800
800
#215F02
oklch(42.8% 0.133 138.7)
-
Step 900
900
#214E10
oklch(37.8% 0.104 138.6)
-
Step 950
950
#142E0C
oklch(27.1% 0.066 139)
#398E11 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) | #938100 | 0.113 |
| Deuteranopia (no green cones) | #887A23 | 0.111 |
| Tritanopia (no blue cones) | #308978 | 0.118 |
| Achromatopsia (no color) | #7C7C7C | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398E11
#398E11
oklch(57.2% 0.172 138.6)
- #A150B7
#A150B7
oklch(57.2% 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 #398E11, closest first.
No curated palette has a color within ΔE 0.04 of #398E11.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.019
- Emerald Green #028F1E ΔE 0.021
- Irish Green #019529 ΔE 0.025
- True Green #089404 ΔE 0.027
- Kelley Green #009337 ΔE 0.027
- Sap Green #5C8B15 ΔE 0.034
- Grass Green #3F9B0B ΔE 0.040
- Dark Grass Green #388004 ΔE 0.042
Use #398E11 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.