#397E1A
Closest named color: Tree Green (#2A7E19). oklch(52.8% 0.149 138.1), rgb(57, 126, 26).
Aa
White text reads best on this color (5.03:1).
About this color
#397E1A is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.149 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.012 away. White text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #397E1A |
| RGB | rgb(57, 126, 26) |
| HSL | hsl(101, 66%, 30%) |
| OKLCH | oklch(52.8% 0.149 138.1) |
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 #397E1A | 5.03:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #397E1A | 4.17:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #397E1A text on white | 5.03:1 | AA | Lc 74.5 | Content text, not long reading |
| #397E1A text on black | 4.17:1 | AA large text | Lc -27.3 | 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 600.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC8
oklch(88.5% 0.036 137.5)
-
Step 300
300
#ACCBA2
oklch(80.8% 0.066 138.1)
-
Step 400
400
#7FB16E
oklch(70.8% 0.108 138)
-
Step 500
500
#5D9C46
oklch(63% 0.136 138)
-
Step 600
600 (this color)
#397E1A
oklch(52.8% 0.149 138.1)
-
Step 700
700
#337216
oklch(49.2% 0.139 138)
-
Step 800
800
#2B5D16
oklch(42.8% 0.115 138.1)
-
Step 900
900
#274C1A
oklch(37.6% 0.089 138.4)
-
Step 950
950
#182D10
oklch(27.1% 0.057 137.8)
#397E1A 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) | #827202 | 0.095 |
| Deuteranopia (no green cones) | #796D25 | 0.095 |
| Tritanopia (no blue cones) | #33796B | 0.103 |
| Achromatopsia (no color) | #6F6F6F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397E1A
#397E1A
oklch(52.8% 0.149 138.1)
- #8E4AA2
#8E4AA2
oklch(52.8% 0.149 318.1)
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 #397E1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.012
- Dark Grass Green #388004 ΔE 0.012
- Green #008000 ΔE 0.032
- Jungle Green #048243 ΔE 0.038
- Forest Green #228B22 ΔE 0.038
- Olive Green #677A04 ΔE 0.051
- Emerald Green #028F1E ΔE 0.052
- Sap Green #5C8B15 ΔE 0.057
Use #397E1A 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.