#399B58
Closest named color: Light Forest Green (#4F9153). oklch(61.5% 0.136 150.7), rgb(57, 155, 88).
Aa
Black text reads best on this color (6.00:1).
About this color
#399B58 is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.136 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.031 away. Black text reads best on it, at 6.00:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #399B58 |
| RGB | rgb(57, 155, 88) |
| HSL | hsl(139, 46%, 42%) |
| OKLCH | oklch(61.5% 0.136 150.7) |
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 #399B58 | 3.49:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #399B58 | 6.00:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #399B58 text on white | 3.49:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #399B58 text on black | 6.00:1 | AA | Lc -39.5 | 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
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E0CD
oklch(88.4% 0.036 151.7)
-
Step 300
300
#A2CDAB
oklch(80.8% 0.066 151)
-
Step 400
400
#6DB37E
oklch(70.6% 0.105 150.7)
-
Step 500
500 (this color)
#399B58
oklch(61.5% 0.136 150.7)
-
Step 600
600
#0B8A42
oklch(55.5% 0.147 150.7)
-
Step 700
700
#007536
oklch(49.2% 0.133 150.8)
-
Step 800
800
#04602C
oklch(42.9% 0.114 150.8)
-
Step 900
900
#134E27
oklch(37.6% 0.089 150.6)
-
Step 950
950
#0E2E18
oklch(27% 0.056 151.2)
#399B58 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) | #9C8E53 | 0.114 |
| Deuteranopia (no green cones) | #8F865C | 0.111 |
| Tritanopia (no blue cones) | #17998B | 0.074 |
| Achromatopsia (no color) | #898989 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399B58
#399B58
oklch(61.5% 0.136 150.7)
- #B264AA
#B264AA
oklch(61.6% 0.135 330.9)
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 #399B58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.031
- Muted Green #5FA052 ΔE 0.037
- Ocean Green #3D9973 ΔE 0.040
- Jade #1FA774 ΔE 0.041
- Fern Green #548D44 ΔE 0.041
- Flat Green #699D4C ΔE 0.044
- Viridian #1E9167 ΔE 0.044
- Mid Green #50A747 ΔE 0.049
Use #399B58 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.