#397D56
Closest named color: Sea Green (#2E8B57). oklch(53.4% 0.093 156.1), rgb(57, 125, 86).
Aa
White text reads best on this color (4.95:1).
About this color
#397D56 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.093 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.043 away. White text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.24:1 |
| White text | 4.95:1 |
Values
| HEX | #397D56 |
| RGB | rgb(57, 125, 86) |
| HSL | hsl(146, 37%, 36%) |
| OKLCH | oklch(53.4% 0.093 156.1) |
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 #397D56 | 4.95:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #397D56 | 4.24:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #397D56 text on white | 4.95:1 | AA | Lc 74.1 | Content text, not long reading |
| #397D56 text on black | 4.24:1 | AA large text | Lc -27.6 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED3
oklch(88.5% 0.023 155.9)
-
Step 300
300
#ACC9B5
oklch(80.9% 0.042 155.2)
-
Step 400
400
#7EAE8F
oklch(70.8% 0.068 155.9)
-
Step 500
500
#5C9974
oklch(63.1% 0.085 156.3)
-
Step 600
600 (this color)
#397D56
oklch(53.4% 0.093 156.1)
-
Step 700
700
#316F4C
oklch(49% 0.086 156.4)
-
Step 800
800
#2A5B3E
oklch(42.8% 0.072 155.7)
-
Step 900
900
#274A35
oklch(37.6% 0.055 156.2)
-
Step 950
950
#172C1F
oklch(27.1% 0.037 155.9)
#397D56 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) | #7C7454 | 0.084 |
| Deuteranopia (no green cones) | #736D58 | 0.083 |
| Tritanopia (no blue cones) | #267C73 | 0.045 |
| Achromatopsia (no color) | #707070 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397D56
#397D56
oklch(53.4% 0.093 156.1)
- #8F5781
#8F5781
oklch(53.4% 0.093 336.6)
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 #397D56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.043
- Dark Sage #598556 ΔE 0.043
- Jungle Green #048243 ΔE 0.044
- Military Green #667C3E ΔE 0.053
- Muddy Green #657432 ΔE 0.057
- Viridian #1E9167 ΔE 0.058
- Bluegreen #017A79 ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.061
Use #397D56 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.