#397E4A
Closest named color: Jungle Green (#048243). oklch(53.4% 0.107 149.5), rgb(57, 126, 74).
Aa
White text reads best on this color (4.93:1).
About this color
#397E4A is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.107 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.031 away. White text reads best on it, at 4.93:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #397E4A |
| RGB | rgb(57, 126, 74) |
| HSL | hsl(135, 38%, 36%) |
| OKLCH | oklch(53.4% 0.107 149.5) |
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 #397E4A | 4.93:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #397E4A | 4.25:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #397E4A text on white | 4.93:1 | AA | Lc 73.9 | Content text, not long reading |
| #397E4A text on black | 4.25:1 | AA large text | Lc -27.8 | 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
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CDDED0
oklch(88.4% 0.026 150.7)
-
Step 300
300
#ACCAB0
oklch(81% 0.048 148.9)
-
Step 400
400
#7EAE87
oklch(70.6% 0.076 149.8)
-
Step 500
500
#5C9A69
oklch(63.1% 0.098 149.6)
-
Step 600
600 (this color)
#397E4A
oklch(53.4% 0.107 149.5)
-
Step 700
700
#317041
oklch(49.1% 0.099 149.7)
-
Step 800
800
#2A5B36
oklch(42.6% 0.081 149.8)
-
Step 900
900
#274B2F
oklch(37.7% 0.064 149.7)
-
Step 950
950
#172C1C
oklch(27% 0.04 150.6)
#397E4A 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) | #7F7446 | 0.089 |
| Deuteranopia (no green cones) | #756E4D | 0.086 |
| Tritanopia (no blue cones) | #2A7C71 | 0.059 |
| Achromatopsia (no color) | #707070 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397E4A
#397E4A
oklch(53.4% 0.107 149.5)
- #8F558B
#8F558B
oklch(53.5% 0.107 329.4)
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 #397E4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.031
- Sea Green #2E8B57 ΔE 0.038
- Dark Sage #598556 ΔE 0.044
- Military Green #667C3E ΔE 0.048
- Muddy Green #657432 ΔE 0.052
- Tree Green #2A7E19 ΔE 0.054
- Fern Green #548D44 ΔE 0.058
- Viridian #1E9167 ΔE 0.058
Use #397E4A 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.