#397D37
Closest named color: Jungle Green (#048243). oklch(52.8% 0.125 143.1), rgb(57, 125, 55).
Aa
White text reads best on this color (5.04:1).
About this color
#397D37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.125 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.025 away. White text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #397D37 |
| RGB | rgb(57, 125, 55) |
| HSL | hsl(118, 39%, 35%) |
| OKLCH | oklch(52.8% 0.125 143.1) |
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 #397D37 | 5.04:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #397D37 | 4.16:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #397D37 text on white | 5.04:1 | AA | Lc 74.6 | Content text, not long reading |
| #397D37 text on black | 4.16:1 | AA large text | Lc -27.1 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CEDFCC
oklch(88.6% 0.031 142.3)
-
Step 300
300
#ACCAAA
oklch(80.8% 0.055 143.4)
-
Step 400
400
#7FAF7C
oklch(70.6% 0.089 143.1)
-
Step 500
500
#5D9B5A
oklch(63.1% 0.115 143.1)
-
Step 600
600 (this color)
#397D37
oklch(52.8% 0.125 143.1)
-
Step 700
700
#337131
oklch(49.2% 0.116 143)
-
Step 800
800
#2B5C29
oklch(42.7% 0.096 142.9)
-
Step 900
900
#274C26
oklch(37.8% 0.076 143.4)
-
Step 950
950
#182C17
oklch(26.9% 0.046 143.1)
#397D37 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) | #807231 | 0.092 |
| Deuteranopia (no green cones) | #776C3C | 0.092 |
| Tritanopia (no blue cones) | #2F7A6D | 0.078 |
| Achromatopsia (no color) | #6F6F6F | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397D37
#397D37
oklch(52.8% 0.125 143.1)
- #8D5095
#8D5095
oklch(52.9% 0.125 322.8)
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 #397D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.025
- Tree Green #2A7E19 ΔE 0.032
- Dark Grass Green #388004 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.048
- Green #008000 ΔE 0.053
- Forest Green #228B22 ΔE 0.053
- Olive Green #677A04 ΔE 0.053
- Muddy Green #657432 ΔE 0.053
Use #397D37 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.