#399E4E
Closest named color: Muted Green (#5FA052). oklch(62.1% 0.15 147.5), rgb(57, 158, 78).
Aa
Black text reads best on this color (6.17:1).
About this color
#399E4E is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.150 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.034 away. Black text reads best on it, at 6.17:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #399E4E |
| RGB | rgb(57, 158, 78) |
| HSL | hsl(132, 47%, 42%) |
| OKLCH | oklch(62.1% 0.15 147.5) |
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 #399E4E | 3.40:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #399E4E | 6.17:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #399E4E text on white | 3.40:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #399E4E text on black | 6.17:1 | AA | Lc -40.5 | 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
#C8E1CA
oklch(88.5% 0.041 147.5)
-
Step 300
300
#A1CEA6
oklch(80.9% 0.073 147.8)
-
Step 400
400
#6BB476
oklch(70.6% 0.116 147.8)
-
Step 500
500 (this color)
#399E4E
oklch(62.1% 0.15 147.5)
-
Step 600
600
#028B34
oklch(55.5% 0.162 147.6)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#124F20
oklch(37.7% 0.098 147.3)
-
Step 950
950
#0D2E14
oklch(26.9% 0.061 148)
#399E4E 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) | #A09147 | 0.118 |
| Deuteranopia (no green cones) | #938854 | 0.117 |
| Tritanopia (no blue cones) | #1C9B8B | 0.086 |
| Achromatopsia (no color) | #8B8B8B | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399E4E
#399E4E
oklch(62.1% 0.15 147.5)
- #B562B4
#B562B4
oklch(62.1% 0.15 327.6)
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 #399E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.034
- Mid Green #50A747 ΔE 0.036
- Flat Green #699D4C ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.043
- Jade #1FA774 ΔE 0.046
- Grass Green #3F9B0B ΔE 0.046
- Medium Green #39AD48 ΔE 0.047
- Kelley Green #009337 ΔE 0.048
Use #399E4E 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.