#399C4F
Closest named color: Muted Green (#5FA052). oklch(61.6% 0.146 147.9), rgb(57, 156, 79).
Aa
Black text reads best on this color (6.04:1).
About this color
#399C4F is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.146 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.036 away. Black text reads best on it, at 6.04:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #399C4F |
| RGB | rgb(57, 156, 79) |
| HSL | hsl(133, 46%, 42%) |
| OKLCH | oklch(61.6% 0.146 147.9) |
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 #399C4F | 3.47:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #399C4F | 6.04:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #399C4F text on white | 3.47:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #399C4F text on black | 6.04:1 | AA | Lc -39.7 | 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 500.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C8E1CB
oklch(88.5% 0.04 148.7)
-
Step 300
300
#A2CEA7
oklch(80.9% 0.071 147.9)
-
Step 400
400
#6CB477
oklch(70.7% 0.114 147.9)
-
Step 500
500 (this color)
#399C4F
oklch(61.6% 0.146 147.9)
-
Step 600
600
#098B37
oklch(55.6% 0.159 147.9)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#046023
oklch(42.7% 0.122 147.8)
-
Step 900
900
#134F22
oklch(37.8% 0.096 147.9)
-
Step 950
950
#0E2E14
oklch(26.9% 0.06 147.5)
#399C4F 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) | #9E8F49 | 0.117 |
| Deuteranopia (no green cones) | #918654 | 0.115 |
| Tritanopia (no blue cones) | #1C998A | 0.084 |
| Achromatopsia (no color) | #898989 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399C4F
#399C4F
oklch(61.6% 0.146 147.9)
- #B362B1
#B362B1
oklch(61.7% 0.146 328.1)
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 #399C4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.036
- Light Forest Green #4F9153 ΔE 0.037
- Mid Green #50A747 ΔE 0.041
- Flat Green #699D4C ΔE 0.043
- Fern Green #548D44 ΔE 0.044
- Kelley Green #009337 ΔE 0.045
- Jade #1FA774 ΔE 0.047
- Grass Green #3F9B0B ΔE 0.049
Use #399C4F 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.