#378528
Closest named color: Dark Grass Green (#388004). oklch(54.8% 0.149 140.7), rgb(55, 133, 40).
Aa
White text reads best on this color (4.61:1).
About this color
#378528 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.149 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.021 away. White text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #378528 |
| RGB | rgb(55, 133, 40) |
| HSL | hsl(110, 54%, 34%) |
| OKLCH | oklch(54.8% 0.149 140.7) |
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 #378528 | 4.61:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #378528 | 4.54:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #378528 text on white | 4.61:1 | AA | Lc 71.7 | Content text, not long reading |
| #378528 text on black | 4.54:1 | AA | Lc -29.9 | Dividers and decoration only |
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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C9
oklch(88.5% 0.038 141.6)
-
Step 300
300
#AACCA3
oklch(80.9% 0.067 140.3)
-
Step 400
400
#7BB171
oklch(70.6% 0.107 140.6)
-
Step 500
500
#579D4A
oklch(63% 0.137 140.6)
-
Step 600
600 (this color)
#378528
oklch(54.8% 0.149 140.7)
-
Step 700
700
#2B731D
oklch(49.2% 0.139 140.7)
-
Step 800
800
#255E1B
oklch(42.8% 0.116 140.9)
-
Step 900
900
#244D1C
oklch(37.8% 0.09 140.5)
-
Step 950
950
#162D11
oklch(27% 0.057 140.1)
#378528 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) | #89791B | 0.103 |
| Deuteranopia (no green cones) | #7F7231 | 0.104 |
| Tritanopia (no blue cones) | #2D8172 | 0.099 |
| Achromatopsia (no color) | #757575 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378528
#378528
oklch(54.8% 0.149 140.7)
- #974FA5
#974FA5
oklch(54.8% 0.149 320.9)
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 #378528, closest first.
No curated palette has a color within ΔE 0.04 of #378528.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.021
- Forest Green #228B22 ΔE 0.023
- Tree Green #2A7E19 ΔE 0.026
- Jungle Green #048243 ΔE 0.036
- Emerald Green #028F1E ΔE 0.037
- Green #008000 ΔE 0.040
- Kelley Green #009337 ΔE 0.041
- Sap Green #5C8B15 ΔE 0.043
Use #378528 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.