#338B34
Closest named color: Forest Green (#228B22). oklch(56.4% 0.15 143.4), rgb(51, 139, 52).
Aa
Black text reads best on this color (4.88:1).
About this color
#338B34 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.150 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 0.020 away. Black text reads best on it, at 4.88:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.88:1 |
| White text | 4.30:1 |
Values
| HEX | #338B34 |
| RGB | rgb(51, 139, 52) |
| HSL | hsl(121, 46%, 37%) |
| OKLCH | oklch(56.4% 0.15 143.4) |
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 #338B34 | 4.30:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #338B34 | 4.88:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #338B34 text on white | 4.30:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #338B34 text on black | 4.88:1 | AA | Lc -32.3 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A7CCA5
oklch(80.8% 0.067 143.6)
-
Step 400
400
#77B274
oklch(70.7% 0.108 143.2)
-
Step 500
500
#509E4F
oklch(63% 0.138 143.5)
-
Step 600
600 (this color)
#338B34
oklch(56.4% 0.15 143.4)
-
Step 700
700
#217424
oklch(49.2% 0.14 143.6)
-
Step 800
800
#1E5E1F
oklch(42.6% 0.115 143.4)
-
Step 900
900
#204D1F
oklch(37.6% 0.089 143.2)
-
Step 950
950
#142D13
oklch(26.9% 0.056 143.1)
#338B34 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) | #8E7E2A | 0.110 |
| Deuteranopia (no green cones) | #83773B | 0.109 |
| Tritanopia (no blue cones) | #228778 | 0.094 |
| Achromatopsia (no color) | #7A7A7A | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338B34
#338B34
oklch(56.4% 0.15 143.4)
- #9F53A7
#9F53A7
oklch(56.5% 0.149 323.7)
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 #338B34, closest first.
No curated palette has a color within ΔE 0.04 of #338B34.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.020
- Kelley Green #009337 ΔE 0.027
- Emerald Green #028F1E ΔE 0.032
- Irish Green #019529 ΔE 0.037
- Fern Green #548D44 ΔE 0.038
- Dark Grass Green #388004 ΔE 0.038
- Sap Green #5C8B15 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.041
Use #338B34 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.