#397C4E
Closest named color: Jungle Green (#048243). oklch(53% 0.1 151.8), rgb(57, 124, 78).
Aa
White text reads best on this color (5.03:1).
About this color
#397C4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.100 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.037 away. White text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #397C4E |
| RGB | rgb(57, 124, 78) |
| HSL | hsl(139, 37%, 35%) |
| OKLCH | oklch(53% 0.1 151.8) |
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 #397C4E | 5.03:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #397C4E | 4.16:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #397C4E text on white | 5.03:1 | AA | Lc 74.6 | Content text, not long reading |
| #397C4E text on black | 4.16:1 | AA large text | Lc -27.1 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ACC9B3
oklch(80.8% 0.044 152.6)
-
Step 400
400
#7FAE8B
oklch(70.7% 0.072 152.2)
-
Step 500
500
#5D9A6E
oklch(63.2% 0.092 151.9)
-
Step 600
600 (this color)
#397C4E
oklch(53% 0.1 151.8)
-
Step 700
700
#327046
oklch(49.2% 0.093 152)
-
Step 800
800
#2B5B39
oklch(42.7% 0.077 151.4)
-
Step 900
900
#274B31
oklch(37.8% 0.061 151.5)
-
Step 950
950
#182C1D
oklch(27.1% 0.038 151.1)
#397C4E 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) | #7C734B | 0.085 |
| Deuteranopia (no green cones) | #736C51 | 0.084 |
| Tritanopia (no blue cones) | #297A70 | 0.053 |
| Achromatopsia (no color) | #6F6F6F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397C4E
#397C4E
oklch(53% 0.1 151.8)
- #8D5585
#8D5585
oklch(53% 0.099 332.2)
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 #397C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.044
- Dark Sage #598556 ΔE 0.047
- Military Green #667C3E ΔE 0.051
- Muddy Green #657432 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.058
- Tree Green #2A7E19 ΔE 0.061
Use #397C4E 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.