#338F1D
Closest named color: Forest Green (#228B22). oklch(57.3% 0.17 140.4), rgb(51, 143, 29).
Aa
Black text reads best on this color (5.08:1).
About this color
#338F1D is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.170 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.017 away. Black text reads best on it, at 5.08:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #338F1D |
| RGB | rgb(51, 143, 29) |
| HSL | hsl(108, 66%, 34%) |
| OKLCH | oklch(57.3% 0.17 140.4) |
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 #338F1D | 4.12:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #338F1D | 5.08:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #338F1D text on white | 4.12:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #338F1D text on black | 5.08:1 | AA | Lc -33.7 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A6CD9F
oklch(80.8% 0.076 140.8)
-
Step 400
400
#75B369
oklch(70.6% 0.122 140.4)
-
Step 500
500
#4EA03D
oklch(63.2% 0.158 140.4)
-
Step 600
600 (this color)
#338F1D
oklch(57.3% 0.17 140.4)
-
Step 700
700
#1E7502
oklch(49.2% 0.159 140.4)
-
Step 800
800
#1C5F0B
oklch(42.7% 0.131 140.5)
-
Step 900
900
#1E4E14
oklch(37.7% 0.102 140.5)
-
Step 950
950
#132E0D
oklch(27.1% 0.065 140.1)
#338F1D 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 | 0.115 |
| Deuteranopia (no green cones) | #887A2A | 0.116 |
| Tritanopia (no blue cones) | #258A7A | 0.115 |
| Achromatopsia (no color) | #7D7D7D | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338F1D
#338F1D
oklch(57.3% 0.17 140.4)
- #A350B5
#A350B5
oklch(57.3% 0.17 320.2)
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 #338F1D, closest first.
No curated palette has a color within ΔE 0.04 of #338F1D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.017
- Emerald Green #028F1E ΔE 0.018
- Irish Green #019529 ΔE 0.021
- Kelley Green #009337 ΔE 0.022
- True Green #089404 ΔE 0.026
- Sap Green #5C8B15 ΔE 0.037
- Grass Green #3F9B0B ΔE 0.040
- Dark Grass Green #388004 ΔE 0.043
Use #338F1D 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.