#378552
Closest named color: Sea Green (#2E8B57). oklch(55.4% 0.111 152.4), rgb(55, 133, 82).
Aa
Black text reads best on this color (4.63:1).
About this color
#378552 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.111 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.017 away. Black text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #378552 |
| RGB | rgb(55, 133, 82) |
| HSL | hsl(141, 41%, 37%) |
| OKLCH | oklch(55.4% 0.111 152.4) |
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 #378552 | 4.52:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #378552 | 4.63:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #378552 text on white | 4.52:1 | AA | Lc 71.2 | Content text, not long reading |
| #378552 text on black | 4.63:1 | AA | Lc -30.5 | 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CCDFD0
oklch(88.5% 0.029 151.9)
-
Step 300
300
#A9CAB1
oklch(80.8% 0.05 152.5)
-
Step 400
400
#7AAF89
oklch(70.6% 0.079 152.9)
-
Step 500
500
#569B6B
oklch(63.1% 0.101 152.4)
-
Step 600
600 (this color)
#378552
oklch(55.4% 0.111 152.4)
-
Step 700
700
#297143
oklch(49.1% 0.103 152.4)
-
Step 800
800
#245C37
oklch(42.7% 0.085 152.2)
-
Step 900
900
#234C30
oklch(37.8% 0.067 152.3)
-
Step 950
950
#152C1C
oklch(26.9% 0.042 152.5)
#378552 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) | #857B4F | 0.095 |
| Deuteranopia (no green cones) | #7B7355 | 0.094 |
| Tritanopia (no blue cones) | #218378 | 0.058 |
| Achromatopsia (no color) | #767676 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378552
#378552
oklch(55.4% 0.111 152.4)
- #98598F
#98598F
oklch(55.4% 0.11 332.3)
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 #378552, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.017
- Jungle Green #048243 ΔE 0.034
- Dark Sage #598556 ΔE 0.034
- Viridian #1E9167 ΔE 0.038
- Fern Green #548D44 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.045
- Military Green #667C3E ΔE 0.051
- Swamp #698339 ΔE 0.053
Use #378552 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.