#378A27
Closest named color: Forest Green (#228B22). oklch(56.2% 0.157 140.7), rgb(55, 138, 39).
Aa
Black text reads best on this color (4.82:1).
About this color
#378A27 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.157 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.014 away. Black text reads best on it, at 4.82:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #378A27 |
| RGB | rgb(55, 138, 39) |
| HSL | hsl(110, 56%, 35%) |
| OKLCH | oklch(56.2% 0.157 140.7) |
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 #378A27 | 4.35:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #378A27 | 4.82:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #378A27 text on white | 4.35:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #378A27 text on black | 4.82:1 | AA | Lc -31.9 | 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
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CCE0C8
oklch(88.5% 0.039 140.5)
-
Step 300
300
#A8CCA2
oklch(80.8% 0.07 141.1)
-
Step 400
400
#79B26E
oklch(70.7% 0.113 140.5)
-
Step 500
500
#549E46
oklch(63.1% 0.144 140.6)
-
Step 600
600 (this color)
#378A27
oklch(56.2% 0.157 140.7)
-
Step 700
700
#277317
oklch(49% 0.145 140.7)
-
Step 800
800
#225E16
oklch(42.7% 0.121 140.6)
-
Step 900
900
#224D1A
oklch(37.7% 0.093 140.6)
-
Step 950
950
#152D10
oklch(26.9% 0.059 140.2)
#378A27 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) | #8E7D18 | 0.108 |
| Deuteranopia (no green cones) | #837630 | 0.107 |
| Tritanopia (no blue cones) | #2C8676 | 0.103 |
| Achromatopsia (no color) | #797979 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378A27
#378A27
oklch(56.2% 0.157 140.7)
- #9D51AC
#9D51AC
oklch(56.2% 0.156 320.8)
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 #378A27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.014
- Emerald Green #028F1E ΔE 0.027
- Kelley Green #009337 ΔE 0.029
- Dark Grass Green #388004 ΔE 0.031
- Sap Green #5C8B15 ΔE 0.035
- Irish Green #019529 ΔE 0.035
- Tree Green #2A7E19 ΔE 0.039
- True Green #089404 ΔE 0.042
Use #378A27 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.