#378636
Closest named color: Forest Green (#228B22). oklch(55.2% 0.139 143.2), rgb(55, 134, 54).
Aa
Black text reads best on this color (4.62:1).
About this color
#378636 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.139 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.030 away. Black text reads best on it, at 4.62:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #378636 |
| RGB | rgb(55, 134, 54) |
| HSL | hsl(119, 43%, 37%) |
| OKLCH | oklch(55.2% 0.139 143.2) |
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 #378636 | 4.53:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #378636 | 4.62:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #378636 text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #378636 text on black | 4.62:1 | AA | Lc -30.4 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCDFCB
oklch(88.4% 0.034 143.9)
-
Step 300
300
#A9CCA7
oklch(81% 0.063 143.6)
-
Step 400
400
#7AB177
oklch(70.7% 0.101 143.2)
-
Step 500
500
#569D54
oklch(63.1% 0.128 143.3)
-
Step 600
600 (this color)
#378636
oklch(55.2% 0.139 143.2)
-
Step 700
700
#2A7229
oklch(49% 0.129 143.1)
-
Step 800
800
#245D24
oklch(42.6% 0.107 143.4)
-
Step 900
900
#234D22
oklch(37.8% 0.084 143.3)
-
Step 950
950
#152D15
oklch(27% 0.053 143.9)
#378636 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) | #897A2E | 0.102 |
| Deuteranopia (no green cones) | #7F733C | 0.102 |
| Tritanopia (no blue cones) | #2A8274 | 0.088 |
| Achromatopsia (no color) | #767676 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378636
#378636
oklch(55.2% 0.139 143.2)
- #9852A0
#9852A0
oklch(55.1% 0.139 323.4)
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 #378636, closest first.
No curated palette has a color within ΔE 0.04 of #378636.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.030
- Jungle Green #048243 ΔE 0.030
- Dark Grass Green #388004 ΔE 0.033
- Tree Green #2A7E19 ΔE 0.035
- Sea Green #2E8B57 ΔE 0.037
- Fern Green #548D44 ΔE 0.040
- Kelley Green #009337 ΔE 0.041
- Emerald Green #028F1E ΔE 0.044
Use #378636 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.