#378A0E
Closest named color: Forest Green (#228B22). oklch(56% 0.169 138.5), rgb(55, 138, 14).
Aa
Black text reads best on this color (4.80:1).
About this color
#378A0E is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.169 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 4.80:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #378A0E |
| RGB | rgb(55, 138, 14) |
| HSL | hsl(100, 82%, 30%) |
| OKLCH | oklch(56% 0.169 138.5) |
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 #378A0E | 4.37:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #378A0E | 4.80:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #378A0E text on white | 4.37:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #378A0E text on black | 4.80:1 | AA | Lc -31.8 | 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
#A8CD9D
oklch(80.9% 0.077 138.6)
-
Step 400
400
#79B367
oklch(70.8% 0.122 138.6)
-
Step 500
500
#549F3A
oklch(63.2% 0.156 138.6)
-
Step 600
600 (this color)
#378A0E
oklch(56% 0.169 138.5)
-
Step 700
700
#2A7300
oklch(49% 0.153 138.4)
-
Step 800
800
#225E05
oklch(42.6% 0.13 138.6)
-
Step 900
900
#224E11
oklch(37.8% 0.102 138.5)
-
Step 950
950
#152E0C
oklch(27.2% 0.065 138.3)
#378A0E 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) | #8E7D00 | 0.110 |
| Deuteranopia (no green cones) | #847620 | 0.110 |
| Tritanopia (no blue cones) | #2E8575 | 0.117 |
| Achromatopsia (no color) | #797979 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378A0E
#378A0E
oklch(56% 0.169 138.5)
- #9D4DB3
#9D4DB3
oklch(56.1% 0.17 318.5)
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 #378A0E, closest first.
No curated palette has a color within ΔE 0.04 of #378A0E.
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 0.022
- Dark Grass Green #388004 ΔE 0.030
- Kelley Green #009337 ΔE 0.032
- Irish Green #019529 ΔE 0.033
- True Green #089404 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.037
- Tree Green #2A7E19 ΔE 0.040
Use #378A0E 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.