#397939
Closest named color: Jungle Green (#048243). oklch(51.8% 0.117 143.7), rgb(57, 121, 57).
Aa
White text reads best on this color (5.29:1).
About this color
#397939 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.117 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.032 away. White text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #397939 |
| RGB | rgb(57, 121, 57) |
| HSL | hsl(120, 36%, 35%) |
| OKLCH | oklch(51.8% 0.117 143.7) |
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 #397939 | 5.29:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #397939 | 3.96:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #397939 text on white | 5.29:1 | AA | Lc 76.1 | Fine for body text |
| #397939 text on black | 3.96:1 | AA large text | Lc -25.6 | 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 700.
-
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
#CDDFCC
oklch(88.5% 0.032 143.8)
-
Step 300
300
#ABCBAA
oklch(81% 0.057 144.2)
-
Step 400
400
#7EB07C
oklch(70.8% 0.091 143.6)
-
Step 500
500
#5C9B5A
oklch(63% 0.115 143.4)
-
Step 600
600
#408640
oklch(55.7% 0.126 143.7)
-
Step 700
700 (this color)
#397939
oklch(51.8% 0.117 143.7)
-
Step 800
800
#2A5C2A
oklch(42.7% 0.096 143.7)
-
Step 900
900
#274C26
oklch(37.8% 0.076 143.4)
-
Step 950
950
#172C17
oklch(26.9% 0.047 144.1)
#397939 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) | #7B6F33 | 0.086 |
| Deuteranopia (no green cones) | #73693D | 0.087 |
| Tritanopia (no blue cones) | #30766A | 0.073 |
| Achromatopsia (no color) | #6B6B6B | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397939
#397939
oklch(51.8% 0.117 143.7)
- #884F8E
#884F8E
oklch(51.8% 0.116 323.6)
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 #397939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.032
- Tree Green #2A7E19 ΔE 0.040
- Dark Olive Green #556B2F ΔE 0.047
- Dark Grass Green #388004 ΔE 0.048
- Muddy Green #657432 ΔE 0.050
- Military Green #667C3E ΔE 0.055
- Sea Green #2E8B57 ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.057
Use #397939 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.