#388F40
Closest named color: Fern Green (#548D44). oklch(57.9% 0.142 145.1), rgb(56, 143, 64).
Aa
Black text reads best on this color (5.17:1).
About this color
#388F40 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.142 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.026 away. Black text reads best on it, at 5.17:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.17:1 |
| White text | 4.06:1 |
Values
| HEX | #388F40 |
| RGB | rgb(56, 143, 64) |
| HSL | hsl(126, 44%, 39%) |
| OKLCH | oklch(57.9% 0.142 145.1) |
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 #388F40 | 4.06:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #388F40 | 5.17:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #388F40 text on white | 4.06:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #388F40 text on black | 5.17:1 | AA | Lc -34.2 | 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
#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
#A7CCA8
oklch(80.9% 0.064 145.7)
-
Step 400
400
#77B279
oklch(70.8% 0.102 145.2)
-
Step 500
500
#509E55
oklch(63.1% 0.132 145.1)
-
Step 600
600 (this color)
#388F40
oklch(57.9% 0.142 145.1)
-
Step 700
700
#22732B
oklch(49% 0.132 144.9)
-
Step 800
800
#1F5E25
oklch(42.7% 0.11 144.9)
-
Step 900
900
#204D23
oklch(37.7% 0.085 144.9)
-
Step 950
950
#142D15
oklch(26.9% 0.053 144.7)
#388F40 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) | #918339 | 0.107 |
| Deuteranopia (no green cones) | #867B46 | 0.107 |
| Tritanopia (no blue cones) | #268B7D | 0.088 |
| Achromatopsia (no color) | #7E7E7E | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388F40
#388F40
oklch(57.9% 0.142 145.1)
- #A359A8
#A359A8
oklch(58% 0.142 324.9)
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 #388F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.026
- Kelley Green #009337 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.033
- Sea Green #2E8B57 ΔE 0.034
- Forest Green #228B22 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.038
- Irish Green #019529 ΔE 0.039
- Mossy Green #638B27 ΔE 0.040
Use #388F40 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.