#399D5A
Closest named color: Muted Green (#5FA052). oklch(62.1% 0.137 151.1), rgb(57, 157, 90).
Aa
Black text reads best on this color (6.14:1).
About this color
#399D5A is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.137 and its hue 151°. 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 6.14:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #399D5A |
| RGB | rgb(57, 157, 90) |
| HSL | hsl(140, 47%, 42%) |
| OKLCH | oklch(62.1% 0.137 151.1) |
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 #399D5A | 3.41:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #399D5A | 6.14:1 | AA | Lc 42.7 | Non-text elements, placeholder text |
| #399D5A text on white | 3.41:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #399D5A text on black | 6.14:1 | AA | Lc -40.3 | 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
#C8E1CD
oklch(88.6% 0.038 151.3)
-
Step 300
300
#A2CDAB
oklch(80.8% 0.066 151)
-
Step 400
400
#6CB47E
oklch(70.8% 0.107 150.9)
-
Step 500
500 (this color)
#399D5A
oklch(62.1% 0.137 151.1)
-
Step 600
600
#028B43
oklch(55.7% 0.149 151.2)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#124E28
oklch(37.6% 0.088 151.4)
-
Step 950
950
#0D2E18
oklch(27% 0.056 151.7)
#399D5A 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) | #9E9055 | 0.116 |
| Deuteranopia (no green cones) | #91875E | 0.114 |
| Tritanopia (no blue cones) | #149B8D | 0.074 |
| Achromatopsia (no color) | #8B8B8B | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399D5A
#399D5A
oklch(62.1% 0.137 151.1)
- #B465AC
#B465AC
oklch(62.1% 0.136 330.9)
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 #399D5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.035
- Jade #1FA774 ΔE 0.036
- Ocean Green #3D9973 ΔE 0.040
- Flat Green #699D4C ΔE 0.042
- Mid Green #50A747 ΔE 0.045
- Seaweed Green #35AD6B ΔE 0.046
- Fern Green #548D44 ΔE 0.046
Use #399D5A 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.