#397C51
Closest named color: Jungle Green (#048243). oklch(53% 0.097 153.4), rgb(57, 124, 81).
Aa
White text reads best on this color (5.02:1).
About this color
#397C51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.097 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.040 away. White text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #397C51 |
| RGB | rgb(57, 124, 81) |
| HSL | hsl(141, 37%, 35%) |
| OKLCH | oklch(53% 0.097 153.4) |
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 #397C51 | 5.02:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #397C51 | 4.17:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #397C51 text on white | 5.02:1 | AA | Lc 74.6 | Content text, not long reading |
| #397C51 text on black | 4.17:1 | AA large text | Lc -27.2 | 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
#CEDED2
oklch(88.5% 0.024 153.4)
-
Step 300
300
#ACC9B4
oklch(80.8% 0.043 153.9)
-
Step 400
400
#7FAE8C
oklch(70.8% 0.071 153)
-
Step 500
500
#5D9970
oklch(63% 0.088 153.4)
-
Step 600
600 (this color)
#397C51
oklch(53% 0.097 153.4)
-
Step 700
700
#326F48
oklch(49% 0.09 153.5)
-
Step 800
800
#2B5B3B
oklch(42.8% 0.075 152.9)
-
Step 900
900
#274B33
oklch(37.8% 0.059 153.5)
-
Step 950
950
#182C1E
oklch(27.1% 0.037 152.9)
#397C51 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) | #7C734E | 0.085 |
| Deuteranopia (no green cones) | #726C54 | 0.083 |
| Tritanopia (no blue cones) | #287B71 | 0.049 |
| Achromatopsia (no color) | #6F6F6F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397C51
#397C51
oklch(53% 0.097 153.4)
- #8D5683
#8D5683
oklch(53.1% 0.095 333.7)
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 #397C51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.040
- Sea Green #2E8B57 ΔE 0.044
- Dark Sage #598556 ΔE 0.046
- Military Green #667C3E ΔE 0.051
- Muddy Green #657432 ΔE 0.054
- Dark Olive Green #556B2F ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.058
- Viridian #1E9167 ΔE 0.061
Use #397C51 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.