#338E38
Closest named color: Kelley Green (#009337). oklch(57.3% 0.15 144.2), rgb(51, 142, 56).
Aa
Black text reads best on this color (5.06:1).
About this color
#338E38 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.150 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.022 away. Black text reads best on it, at 5.06:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #338E38 |
| RGB | rgb(51, 142, 56) |
| HSL | hsl(123, 47%, 38%) |
| OKLCH | oklch(57.3% 0.15 144.2) |
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 #338E38 | 4.14:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #338E38 | 5.06:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #338E38 text on white | 4.14:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #338E38 text on black | 5.06:1 | AA | Lc -33.5 | 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
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A7CDA6
oklch(81% 0.068 144.3)
-
Step 400
400
#75B275
oklch(70.6% 0.108 144.3)
-
Step 500
500
#4E9F50
oklch(63.2% 0.139 144.2)
-
Step 600
600 (this color)
#338E38
oklch(57.3% 0.15 144.2)
-
Step 700
700
#1E7425
oklch(49.1% 0.14 144.2)
-
Step 800
800
#1C5E20
oklch(42.6% 0.115 144.1)
-
Step 900
900
#1E4D20
oklch(37.6% 0.089 144.3)
-
Step 950
950
#132D13
oklch(26.8% 0.057 143.8)
#338E38 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) | #91812F | 0.112 |
| Deuteranopia (no green cones) | #857A3F | 0.110 |
| Tritanopia (no blue cones) | #1F8A7B | 0.093 |
| Achromatopsia (no color) | #7D7D7D | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338E38
#338E38
oklch(57.3% 0.15 144.2)
- #A255A9
#A255A9
oklch(57.3% 0.149 324.1)
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 #338E38, closest first.
No curated palette has a color within ΔE 0.04 of #338E38.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.022
- Forest Green #228B22 ΔE 0.024
- Emerald Green #028F1E ΔE 0.032
- Irish Green #019529 ΔE 0.033
- Fern Green #548D44 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.043
Use #338E38 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.