#397900
Closest named color: Tree Green (#2A7E19). oklch(51.3% 0.152 136), rgb(57, 121, 0).
Aa
White text reads best on this color (5.37:1).
About this color
#397900 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.152 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.016 away. White text reads best on it, at 5.37:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #397900 |
| RGB | rgb(57, 121, 0) |
| HSL | hsl(92, 100%, 24%) |
| OKLCH | oklch(51.3% 0.152 136) |
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 #397900 | 5.37:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #397900 | 3.90:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #397900 text on white | 5.37:1 | AA | Lc 76.4 | Fine for body text |
| #397900 text on black | 3.90:1 | AA large text | Lc -25.3 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#ACCC9D
oklch(80.9% 0.073 135.8)
-
Step 400
400
#7EB165
oklch(70.6% 0.118 136)
-
Step 500
500
#5D9D37
oklch(63.1% 0.151 135.8)
-
Step 600
600
#418703
oklch(55.5% 0.164 135.9)
-
Step 700
700 (this color)
#397900
oklch(51.3% 0.152 136)
-
Step 800
800
#2B5D01
oklch(42.6% 0.126 135.8)
-
Step 900
900
#274D10
oklch(37.8% 0.099 136.2)
-
Step 950
950
#172D0B
oklch(27% 0.063 136.2)
#397900 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) | #7E6E00 | 0.095 |
| Deuteranopia (no green cones) | #766915 | 0.093 |
| Tritanopia (no blue cones) | #367466 | 0.110 |
| Achromatopsia (no color) | #6A6A6A | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397900
#397900
oklch(51.3% 0.152 136)
- #8845A1
#8845A1
oklch(51.3% 0.154 316)
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 #397900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.016
- Dark Grass Green #388004 ΔE 0.021
- Green #008000 ΔE 0.032
- Jungle Green #048243 ΔE 0.049
- Forest Green #228B22 ΔE 0.052
- Olive Green #677A04 ΔE 0.056
- Emerald Green #028F1E ΔE 0.064
- Murky Green #6C7A0E ΔE 0.064
Use #397900 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.