#378519
Closest named color: Dark Grass Green (#388004). oklch(54.7% 0.159 138.9), rgb(55, 133, 25).
Aa
White text reads best on this color (4.63:1).
About this color
#378519 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.159 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.015 away. White text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.53:1 |
| White text | 4.63:1 |
Values
| HEX | #378519 |
| RGB | rgb(55, 133, 25) |
| HSL | hsl(103, 68%, 31%) |
| OKLCH | oklch(54.7% 0.159 138.9) |
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 #378519 | 4.63:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #378519 | 4.53:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #378519 text on white | 4.63:1 | AA | Lc 71.8 | Content text, not long reading |
| #378519 text on black | 4.53:1 | 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
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CCE0C7
oklch(88.5% 0.04 139.4)
-
Step 300
300
#AACCA0
oklch(80.9% 0.071 138.6)
-
Step 400
400
#7BB26B
oklch(70.8% 0.115 138.8)
-
Step 500
500
#579E42
oklch(63.2% 0.146 139.1)
-
Step 600
600 (this color)
#378519
oklch(54.7% 0.159 138.9)
-
Step 700
700
#2C730D
oklch(49.1% 0.147 138.8)
-
Step 800
800
#265E11
oklch(42.8% 0.122 138.9)
-
Step 900
900
#244D17
oklch(37.7% 0.095 139)
-
Step 950
950
#162D0F
oklch(27% 0.059 138.9)
#378519 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) | #897900 | 0.103 |
| Deuteranopia (no green cones) | #7F7226 | 0.104 |
| Tritanopia (no blue cones) | #2F8071 | 0.109 |
| Achromatopsia (no color) | #757575 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378519
#378519
oklch(54.7% 0.159 138.9)
- #974CAA
#974CAA
oklch(54.7% 0.159 319.2)
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 #378519, closest first.
No curated palette has a color within ΔE 0.04 of #378519.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.015
- Forest Green #228B22 ΔE 0.019
- Tree Green #2A7E19 ΔE 0.025
- Emerald Green #028F1E ΔE 0.033
- Green #008000 ΔE 0.034
- Kelley Green #009337 ΔE 0.041
- Sap Green #5C8B15 ΔE 0.043
- Jungle Green #048243 ΔE 0.044
Use #378519 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.