#338B2F
Closest named color: Forest Green (#228B22). oklch(56.4% 0.154 142.6), rgb(51, 139, 47).
Aa
Black text reads best on this color (4.87:1).
About this color
#338B2F is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.154 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 0.016 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #338B2F |
| RGB | rgb(51, 139, 47) |
| HSL | hsl(117, 49%, 36%) |
| OKLCH | oklch(56.4% 0.154 142.6) |
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 #338B2F | 4.30:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #338B2F | 4.87:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #338B2F text on white | 4.30:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #338B2F text on black | 4.87:1 | AA | Lc -32.2 | 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
#E3EEE1
oklch(93.7% 0.021 140.9)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A7CDA4
oklch(81% 0.07 143)
-
Step 400
400
#77B272
oklch(70.7% 0.11 142.5)
-
Step 500
500
#509E4B
oklch(63% 0.141 142.5)
-
Step 600
600 (this color)
#338B2F
oklch(56.4% 0.154 142.6)
-
Step 700
700
#22741F
oklch(49.2% 0.143 142.6)
-
Step 800
800
#1F5E1C
oklch(42.6% 0.118 142.5)
-
Step 900
900
#204D1D
oklch(37.6% 0.091 142.4)
-
Step 950
950
#142D12
oklch(26.9% 0.057 142.3)
#338B2F 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) | #8E7E24 | 0.110 |
| Deuteranopia (no green cones) | #837737 | 0.109 |
| Tritanopia (no blue cones) | #238778 | 0.099 |
| Achromatopsia (no color) | #7A7A7A | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338B2F
#338B2F
oklch(56.4% 0.154 142.6)
- #9F51A9
#9F51A9
oklch(56.3% 0.154 322.9)
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 #338B2F, closest first.
No curated palette has a color within ΔE 0.04 of #338B2F.
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 0.025
- Emerald Green #028F1E ΔE 0.028
- Irish Green #019529 ΔE 0.035
- Dark Grass Green #388004 ΔE 0.035
- Sap Green #5C8B15 ΔE 0.037
- Fern Green #548D44 ΔE 0.041
- Tree Green #2A7E19 ΔE 0.042
Use #338B2F 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.