#378641
Closest named color: Sea Green (#2E8B57). oklch(55.4% 0.129 146), rgb(55, 134, 65).
Aa
Black text reads best on this color (4.64:1).
About this color
#378641 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.129 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.026 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #378641 |
| RGB | rgb(55, 134, 65) |
| HSL | hsl(128, 42%, 37%) |
| OKLCH | oklch(55.4% 0.129 146) |
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 #378641 | 4.51:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #378641 | 4.64:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #378641 text on white | 4.51:1 | AA | Lc 71.1 | Content text, not long reading |
| #378641 text on black | 4.64:1 | AA | Lc -30.6 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCD
oklch(88.4% 0.032 146.8)
-
Step 300
300
#A9CBAB
oklch(80.8% 0.057 146.6)
-
Step 400
400
#7AB07D
oklch(70.6% 0.093 145.9)
-
Step 500
500
#569C5C
oklch(63% 0.118 145.9)
-
Step 600
600 (this color)
#378641
oklch(55.4% 0.129 146)
-
Step 700
700
#297233
oklch(49.1% 0.12 145.9)
-
Step 800
800
#245D2B
oklch(42.7% 0.1 145.9)
-
Step 900
900
#234C27
oklch(37.6% 0.077 145.9)
-
Step 950
950
#152D17
oklch(27.1% 0.05 145.8)
#378641 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) | #887B3B | 0.100 |
| Deuteranopia (no green cones) | #7E7446 | 0.099 |
| Tritanopia (no blue cones) | #278376 | 0.077 |
| Achromatopsia (no color) | #767676 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378641
#378641
oklch(55.4% 0.129 146)
- #98559B
#98559B
oklch(55.3% 0.129 325.6)
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 #378641, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.026
- Jungle Green #048243 ΔE 0.028
- Fern Green #548D44 ΔE 0.037
- Forest Green #228B22 ΔE 0.041
- Tree Green #2A7E19 ΔE 0.043
- Dark Grass Green #388004 ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.045
- Kelley Green #009337 ΔE 0.047
Use #378641 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.