#398E47
Closest named color: Fern Green (#548D44). oklch(57.7% 0.134 146.8), rgb(57, 142, 71).
Aa
Black text reads best on this color (5.13:1).
About this color
#398E47 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.134 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.023 away. Black text reads best on it, at 5.13:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.13:1 |
| White text | 4.09:1 |
Values
| HEX | #398E47 |
| RGB | rgb(57, 142, 71) |
| HSL | hsl(130, 43%, 39%) |
| OKLCH | oklch(57.7% 0.134 146.8) |
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 #398E47 | 4.09:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #398E47 | 5.13:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #398E47 text on white | 4.09:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #398E47 text on black | 5.13:1 | AA | Lc -33.9 | Non-text elements, placeholder text |
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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A8CCAA
oklch(81% 0.061 146.5)
-
Step 400
400
#78B17D
oklch(70.7% 0.096 146.6)
-
Step 500
500
#529D5B
oklch(63.1% 0.123 146.5)
-
Step 600
600 (this color)
#398E47
oklch(57.7% 0.134 146.8)
-
Step 700
700
#237333
oklch(49.2% 0.124 146.9)
-
Step 800
800
#205E2B
oklch(42.9% 0.103 146.8)
-
Step 900
900
#204D27
oklch(37.8% 0.081 147)
-
Step 950
950
#142D17
oklch(27% 0.051 146.6)
#398E47 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) | #908241 | 0.105 |
| Deuteranopia (no green cones) | #857B4C | 0.103 |
| Tritanopia (no blue cones) | #268B7D | 0.078 |
| Achromatopsia (no color) | #7D7D7D | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398E47
#398E47
oklch(57.7% 0.134 146.8)
- #A25AA3
#A25AA3
oklch(57.7% 0.135 326.7)
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 #398E47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.025
- Light Forest Green #4F9153 ΔE 0.028
- Kelley Green #009337 ΔE 0.036
- Viridian #1E9167 ΔE 0.039
- Forest Green #228B22 ΔE 0.041
- Moss Green #658B38 ΔE 0.041
- Mossy Green #638B27 ΔE 0.043
Use #398E47 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.