#378B14
Closest named color: Forest Green (#228B22). oklch(56.3% 0.168 138.9), rgb(55, 139, 20).
Aa
Black text reads best on this color (4.86:1).
About this color
#378B14 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.168 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.013 away. Black text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #378B14 |
| RGB | rgb(55, 139, 20) |
| HSL | hsl(102, 75%, 31%) |
| OKLCH | oklch(56.3% 0.168 138.9) |
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 #378B14 | 4.31:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #378B14 | 4.86:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #378B14 text on white | 4.31:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #378B14 text on black | 4.86:1 | AA | Lc -32.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CCE0C6
oklch(88.5% 0.041 138.5)
-
Step 300
300
#A8CD9E
oklch(80.9% 0.076 139.1)
-
Step 400
400
#78B368
oklch(70.8% 0.121 139.2)
-
Step 500
500
#539F3B
oklch(63.2% 0.155 138.9)
-
Step 600
600 (this color)
#378B14
oklch(56.3% 0.168 138.9)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#225E07
oklch(42.6% 0.129 138.8)
-
Step 900
900
#214E12
oklch(37.8% 0.102 139)
-
Step 950
950
#142E0D
oklch(27.1% 0.065 139.5)
#378B14 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) | #8F7E00 | 0.110 |
| Deuteranopia (no green cones) | #857724 | 0.110 |
| Tritanopia (no blue cones) | #2E8676 | 0.116 |
| Achromatopsia (no color) | #7A7A7A | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378B14
#378B14
oklch(56.3% 0.168 138.9)
- #9E4EB3
#9E4EB3
oklch(56.3% 0.168 318.9)
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 #378B14, closest first.
No curated palette has a color within ΔE 0.04 of #378B14.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.013
- Emerald Green #028F1E ΔE 0.021
- Kelley Green #009337 ΔE 0.030
- Irish Green #019529 ΔE 0.030
- Dark Grass Green #388004 ΔE 0.032
- True Green #089404 ΔE 0.033
- Sap Green #5C8B15 ΔE 0.036
- Tree Green #2A7E19 ΔE 0.043
Use #378B14 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.