#397D4F
Closest named color: Jungle Green (#048243). oklch(53.3% 0.1 152.1), rgb(57, 125, 79).
Aa
White text reads best on this color (4.97:1).
About this color
#397D4F 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 4.97:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #397D4F |
| RGB | rgb(57, 125, 79) |
| HSL | hsl(139, 37%, 36%) |
| OKLCH | oklch(53.3% 0.1 152.1) |
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 #397D4F | 4.97:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #397D4F | 4.22:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #397D4F text on white | 4.97:1 | AA | Lc 74.2 | Content text, not long reading |
| #397D4F text on black | 4.22:1 | AA large text | Lc -27.5 | 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
#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
#5C9A6E
oklch(63.2% 0.093 152.3)
-
Step 600
600 (this color)
#397D4F
oklch(53.3% 0.1 152.1)
-
Step 700
700
#317046
oklch(49.2% 0.094 152.3)
-
Step 800
800
#2A5B39
oklch(42.7% 0.078 151.8)
-
Step 900
900
#274B32
oklch(37.8% 0.06 152.5)
-
Step 950
950
#172C1D
oklch(27% 0.039 152.2)
#397D4F 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) | #7D744C | 0.086 |
| Deuteranopia (no green cones) | #746D52 | 0.085 |
| Tritanopia (no blue cones) | #287B71 | 0.053 |
| Achromatopsia (no color) | #707070 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397D4F
#397D4F
oklch(53.3% 0.1 152.1)
- #8E5686
#8E5686
oklch(53.3% 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 #397D4F, 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 0.041
- Dark Sage #598556 ΔE 0.044
- Military Green #667C3E ΔE 0.050
- Muddy Green #657432 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.058
- Viridian #1E9167 ΔE 0.059
- Dark Moss Green #606C38 ΔE 0.059
Use #397D4F 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.