#338E2B
Closest named color: Forest Green (#228B22). oklch(57.2% 0.16 142), rgb(51, 142, 43).
Aa
Black text reads best on this color (5.04:1).
About this color
#338E2B is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.160 and its hue 142°. 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 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #338E2B |
| RGB | rgb(51, 142, 43) |
| HSL | hsl(115, 54%, 36%) |
| OKLCH | oklch(57.2% 0.16 142) |
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 #338E2B | 4.16:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #338E2B | 5.04:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #338E2B text on white | 4.16:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #338E2B text on black | 5.04:1 | 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
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CBE0C8
oklch(88.4% 0.039 141.7)
-
Step 300
300
#A7CDA2
oklch(80.9% 0.072 141.8)
-
Step 400
400
#75B36F
oklch(70.7% 0.116 142.2)
-
Step 500
500
#4E9F47
oklch(63.1% 0.148 142.1)
-
Step 600
600 (this color)
#338E2B
oklch(57.2% 0.16 142)
-
Step 700
700
#1F7417
oklch(49% 0.149 141.9)
-
Step 800
800
#1D5F17
oklch(42.8% 0.124 141.9)
-
Step 900
900
#1E4E1A
oklch(37.8% 0.097 142.1)
-
Step 950
950
#132E10
oklch(27.1% 0.062 141.8)
#338E2B 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) | #91811D | 0.112 |
| Deuteranopia (no green cones) | #867934 | 0.113 |
| Tritanopia (no blue cones) | #238A7A | 0.104 |
| Achromatopsia (no color) | #7C7C7C | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338E2B
#338E2B
oklch(57.2% 0.16 142)
- #A252AF
#A252AF
oklch(57.2% 0.16 321.9)
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 #338E2B, closest first.
No curated palette has a color within ΔE 0.04 of #338E2B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.016
- Kelley Green #009337 ΔE 0.019
- Emerald Green #028F1E ΔE 0.023
- Irish Green #019529 ΔE 0.026
- True Green #089404 ΔE 0.035
- Sap Green #5C8B15 ΔE 0.035
- Dark Grass Green #388004 ΔE 0.042
- Fern Green #548D44 ΔE 0.043
Use #338E2B 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.