#338B39
Closest named color: Forest Green (#228B22). oklch(56.5% 0.145 144.5), rgb(51, 139, 57).
Aa
Black text reads best on this color (4.89:1).
About this color
#338B39 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.145 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.025 away. Black text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #338B39 |
| RGB | rgb(51, 139, 57) |
| HSL | hsl(124, 46%, 37%) |
| OKLCH | oklch(56.5% 0.145 144.5) |
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 #338B39 | 4.29:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #338B39 | 4.89:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #338B39 text on white | 4.29:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #338B39 text on black | 4.89:1 | 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
#CBE0CB
oklch(88.5% 0.036 145.3)
-
Step 300
300
#A7CCA7
oklch(80.8% 0.065 144.9)
-
Step 400
400
#77B277
oklch(70.8% 0.105 144.4)
-
Step 500
500
#509E53
oklch(63.1% 0.134 144.5)
-
Step 600
600 (this color)
#338B39
oklch(56.5% 0.145 144.5)
-
Step 700
700
#217328
oklch(49% 0.135 144.4)
-
Step 800
800
#1E5E23
oklch(42.7% 0.112 144.5)
-
Step 900
900
#1F4D22
oklch(37.6% 0.087 144.8)
-
Step 950
950
#142D14
oklch(26.9% 0.055 143.9)
#338B39 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) | #8D7F31 | 0.107 |
| Deuteranopia (no green cones) | #82773F | 0.107 |
| Tritanopia (no blue cones) | #208779 | 0.091 |
| Achromatopsia (no color) | #7A7A7A | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338B39
#338B39
oklch(56.5% 0.145 144.5)
- #9F54A5
#9F54A5
oklch(56.6% 0.145 324.5)
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 #338B39, closest first.
No curated palette has a color within ΔE 0.04 of #338B39.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.025
- Kelley Green #009337 ΔE 0.029
- Fern Green #548D44 ΔE 0.035
- Emerald Green #028F1E ΔE 0.036
- Sea Green #2E8B57 ΔE 0.036
- Jungle Green #048243 ΔE 0.039
- Sap Green #5C8B15 ΔE 0.040
- Irish Green #019529 ΔE 0.040
Use #338B39 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.