#438A5E
Closest named color: Sea Green (#2E8B57). oklch(57.5% 0.099 154.5), rgb(67, 138, 94).
Aa
Black text reads best on this color (5.03:1).
About this color
#438A5E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.099 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.020 away. Black text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #438A5E |
| RGB | rgb(67, 138, 94) |
| HSL | hsl(143, 35%, 40%) |
| OKLCH | oklch(57.5% 0.099 154.5) |
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 #438A5E | 4.17:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #438A5E | 5.03:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #438A5E text on white | 4.17:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #438A5E text on black | 5.03:1 | AA | Lc -33.1 | 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
#E4EDE6
oklch(93.7% 0.013 152.6)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABCAB4
oklch(81% 0.045 154.4)
-
Step 400
400
#7DAE8D
oklch(70.7% 0.071 154.7)
-
Step 500
500
#5A9A70
oklch(63.1% 0.092 154.1)
-
Step 600
600 (this color)
#438A5E
oklch(57.5% 0.099 154.5)
-
Step 700
700
#2E7048
oklch(49.1% 0.093 154.3)
-
Step 800
800
#285B3C
oklch(42.7% 0.076 154.7)
-
Step 900
900
#254B33
oklch(37.7% 0.06 154.6)
-
Step 950
950
#172C1E
oklch(27.1% 0.038 154)
#438A5E 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) | #8A805B | 0.089 |
| Deuteranopia (no green cones) | #7F7961 | 0.086 |
| Tritanopia (no blue cones) | #31897E | 0.048 |
| Achromatopsia (no color) | #7C7C7C | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438A5E
#438A5E
oklch(57.5% 0.099 154.5)
- #9D6291
#9D6291
oklch(57.7% 0.099 334.5)
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 #438A5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.020
- Dark Sage #598556 ΔE 0.023
- Viridian #1E9167 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.032
- Fern Green #548D44 ΔE 0.038
- Ocean Green #3D9973 ΔE 0.045
- Slate Green #658D6D ΔE 0.045
- Swamp #698339 ΔE 0.051
Use #438A5E 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.