#397A4E
Closest named color: Jungle Green (#048243). oklch(52.4% 0.097 152.2), rgb(57, 122, 78).
Aa
White text reads best on this color (5.16:1).
About this color
#397A4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.097 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 0.041 away. White text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #397A4E |
| RGB | rgb(57, 122, 78) |
| HSL | hsl(139, 36%, 35%) |
| OKLCH | oklch(52.4% 0.097 152.2) |
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 #397A4E | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #397A4E | 4.06:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #397A4E text on white | 5.16:1 | AA | Lc 75.4 | Fine for body text |
| #397A4E text on black | 4.06:1 | AA large text | Lc -26.4 | 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
#ADC9B3
oklch(80.9% 0.043 151.7)
-
Step 400
400
#80AE8C
oklch(70.8% 0.07 152.4)
-
Step 500
500
#5E996F
oklch(63.1% 0.089 152.4)
-
Step 600
600 (this color)
#397A4E
oklch(52.4% 0.097 152.2)
-
Step 700
700
#346F47
oklch(49.1% 0.089 152.3)
-
Step 800
800
#2C5B3A
oklch(42.8% 0.075 151.7)
-
Step 900
900
#284A32
oklch(37.6% 0.057 152.2)
-
Step 950
950
#182C1E
oklch(27.1% 0.037 152.9)
#397A4E 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) | #7A714B | 0.083 |
| Deuteranopia (no green cones) | #716B51 | 0.081 |
| Tritanopia (no blue cones) | #2A786F | 0.052 |
| Achromatopsia (no color) | #6D6D6D | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397A4E
#397A4E
oklch(52.4% 0.097 152.2)
- #8B5483
#8B5483
oklch(52.5% 0.098 332.3)
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 #397A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.041
- Sea Green #2E8B57 ΔE 0.050
- Dark Sage #598556 ΔE 0.051
- Dark Olive Green #556B2F ΔE 0.051
- Muddy Green #657432 ΔE 0.053
- Military Green #667C3E ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.054
- Tree Green #2A7E19 ΔE 0.064
Use #397A4E 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.