#388A66
Closest named color: Viridian (#1E9167). oklch(57.3% 0.098 161.9), rgb(56, 138, 102).
Aa
Black text reads best on this color (4.99:1).
About this color
#388A66 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.098 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.023 away. Black text reads best on it, at 4.99:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #388A66 |
| RGB | rgb(56, 138, 102) |
| HSL | hsl(154, 42%, 38%) |
| OKLCH | oklch(57.3% 0.098 161.9) |
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 #388A66 | 4.20:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #388A66 | 4.99:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #388A66 text on white | 4.20:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #388A66 text on black | 4.99:1 | AA | Lc -32.9 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#A8CAB8
oklch(80.9% 0.044 162.2)
-
Step 400
400
#78AF93
oklch(70.8% 0.071 161.7)
-
Step 500
500
#529B78
oklch(63.2% 0.091 161.4)
-
Step 600
600 (this color)
#388A66
oklch(57.3% 0.098 161.9)
-
Step 700
700
#247150
oklch(49.2% 0.092 161.3)
-
Step 800
800
#205C42
oklch(42.8% 0.076 161.7)
-
Step 900
900
#214B38
oklch(37.6% 0.058 162.2)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#388A66 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) | #888064 | 0.095 |
| Deuteranopia (no green cones) | #7C7868 | 0.091 |
| Tritanopia (no blue cones) | #138A80 | 0.040 |
| Achromatopsia (no color) | #7B7B7B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #388A66
#388A66
oklch(57.3% 0.098 161.9)
- #9F6089
#9F6089
oklch(57.2% 0.098 341.2)
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 #388A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.025
- Dark Sage #598556 ΔE 0.033
- Light Forest Green #4F9153 ΔE 0.042
- Ocean Green #3D9973 ΔE 0.045
- Slate Green #658D6D ΔE 0.048
- Fern Green #548D44 ΔE 0.050
- Dusty Teal #4C9085 ΔE 0.051
Use #388A66 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.