#388C4E
Closest named color: Sea Green (#2E8B57). oklch(57.3% 0.125 149.4), rgb(56, 140, 78).
Aa
Black text reads best on this color (5.02:1).
About this color
#388C4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.125 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.014 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #388C4E |
| RGB | rgb(56, 140, 78) |
| HSL | hsl(136, 43%, 38%) |
| OKLCH | oklch(57.3% 0.125 149.4) |
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 #388C4E | 4.17:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #388C4E | 5.02:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #388C4E text on white | 4.17:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #388C4E text on black | 5.02:1 | AA | Lc -33.2 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCE
oklch(88.5% 0.031 148.4)
-
Step 300
300
#A8CBAD
oklch(80.8% 0.056 149.1)
-
Step 400
400
#78B182
oklch(70.8% 0.091 149.1)
-
Step 500
500
#529D63
oklch(63.2% 0.115 149.5)
-
Step 600
600 (this color)
#388C4E
oklch(57.3% 0.125 149.4)
-
Step 700
700
#24723A
oklch(49% 0.116 149.3)
-
Step 800
800
#205D31
oklch(42.7% 0.095 149.6)
-
Step 900
900
#214C2B
oklch(37.6% 0.074 149.3)
-
Step 950
950
#142D19
oklch(27% 0.048 148.8)
#388C4E 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) | #8D8149 | 0.102 |
| Deuteranopia (no green cones) | #827952 | 0.101 |
| Tritanopia (no blue cones) | #228A7D | 0.069 |
| Achromatopsia (no color) | #7C7C7C | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388C4E
#388C4E
oklch(57.3% 0.125 149.4)
- #A05B9B
#A05B9B
oklch(57.3% 0.124 329.7)
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 #388C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.014
- Fern Green #548D44 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.027
- Viridian #1E9167 ΔE 0.032
- Dark Sage #598556 ΔE 0.041
- Jungle Green #048243 ΔE 0.043
- Moss Green #658B38 ΔE 0.045
- Kelley Green #009337 ΔE 0.045
Use #388C4E 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.