#348D51
Closest named color: Sea Green (#2E8B57). oklch(57.5% 0.125 151.1), rgb(52, 141, 81).
Aa
Black text reads best on this color (5.07:1).
About this color
#348D51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.125 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.012 away. Black text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #348D51 |
| RGB | rgb(52, 141, 81) |
| HSL | hsl(140, 46%, 38%) |
| OKLCH | oklch(57.5% 0.125 151.1) |
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 #348D51 | 4.13:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #348D51 | 5.07:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #348D51 text on white | 4.13:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #348D51 text on black | 5.07:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CBDFCF
oklch(88.4% 0.03 151.5)
-
Step 300
300
#A7CBAE
oklch(80.8% 0.056 150.7)
-
Step 400
400
#76B184
oklch(70.7% 0.09 151)
-
Step 500
500
#4F9D65
oklch(63.1% 0.115 151.1)
-
Step 600
600 (this color)
#348D51
oklch(57.5% 0.125 151.1)
-
Step 700
700
#1E733D
oklch(49.2% 0.117 151.2)
-
Step 800
800
#1C5D32
oklch(42.6% 0.096 151.1)
-
Step 900
900
#1E4D2C
oklch(37.8% 0.076 150.9)
-
Step 950
950
#132D1A
oklch(27% 0.048 150.8)
#348D51 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) | #8E824D | 0.106 |
| Deuteranopia (no green cones) | #827955 | 0.104 |
| Tritanopia (no blue cones) | #168B7E | 0.067 |
| Achromatopsia (no color) | #7D7D7D | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #348D51
#348D51
oklch(57.5% 0.125 151.1)
- #A25B9A
#A25B9A
oklch(57.5% 0.124 331.3)
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 #348D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.012
- Light Forest Green #4F9153 ΔE 0.027
- Viridian #1E9167 ΔE 0.028
- Fern Green #548D44 ΔE 0.028
- Dark Sage #598556 ΔE 0.042
- Jungle Green #048243 ΔE 0.044
- Kelley Green #009337 ΔE 0.045
- Moss Green #658B38 ΔE 0.048
Use #348D51 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.