#397B42
Closest named color: Jungle Green (#048243). oklch(52.5% 0.111 146.6), rgb(57, 123, 66).
Aa
White text reads best on this color (5.13:1).
About this color
#397B42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.111 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.030 away. White text reads best on it, at 5.13:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.08:1 |
| White text | 5.13:1 |
Values
| HEX | #397B42 |
| RGB | rgb(57, 123, 66) |
| HSL | hsl(128, 37%, 35%) |
| OKLCH | oklch(52.5% 0.111 146.6) |
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 #397B42 | 5.13:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #397B42 | 4.08:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #397B42 text on white | 5.13:1 | AA | Lc 75.2 | Fine for body text |
| #397B42 text on black | 4.08:1 | AA large text | Lc -26.5 | 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
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CEDECF
oklch(88.4% 0.027 147.1)
-
Step 300
300
#ACCAAE
oklch(80.9% 0.051 146.9)
-
Step 400
400
#80AE83
oklch(70.6% 0.079 146.3)
-
Step 500
500
#5E9A64
oklch(63.1% 0.102 146.6)
-
Step 600
600 (this color)
#397B42
oklch(52.5% 0.111 146.6)
-
Step 700
700
#34703C
oklch(49.1% 0.103 146.6)
-
Step 800
800
#2C5B32
oklch(42.6% 0.084 146.7)
-
Step 900
900
#284B2C
oklch(37.7% 0.066 146.7)
-
Step 950
950
#182C1A
oklch(27% 0.042 146.7)
#397B42 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) | #7D713E | 0.088 |
| Deuteranopia (no green cones) | #746B46 | 0.087 |
| Tritanopia (no blue cones) | #2D786D | 0.066 |
| Achromatopsia (no color) | #6D6D6D | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397B42
#397B42
oklch(52.5% 0.111 146.6)
- #8B528C
#8B528C
oklch(52.5% 0.11 326.4)
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 #397B42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.030
- Tree Green #2A7E19 ΔE 0.047
- Sea Green #2E8B57 ΔE 0.048
- Muddy Green #657432 ΔE 0.050
- Dark Olive Green #556B2F ΔE 0.050
- Military Green #667C3E ΔE 0.051
- Dark Sage #598556 ΔE 0.054
- Dark Grass Green #388004 ΔE 0.054
Use #397B42 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.