#399D5D
Closest named color: Jade (#1FA774). oklch(62.1% 0.134 152.1), rgb(57, 157, 93).
Aa
Black text reads best on this color (6.15:1).
About this color
#399D5D is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.134 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.034 away. Black text reads best on it, at 6.15:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.15:1 |
| White text | 3.41:1 |
Values
| HEX | #399D5D |
| RGB | rgb(57, 157, 93) |
| HSL | hsl(142, 47%, 42%) |
| OKLCH | oklch(62.1% 0.134 152.1) |
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 #399D5D | 3.41:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #399D5D | 6.15:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #399D5D text on white | 3.41:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #399D5D text on black | 6.15:1 | AA | Lc -40.4 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E0CE
oklch(88.4% 0.035 153.2)
-
Step 300
300
#A2CDAC
oklch(80.8% 0.065 151.8)
-
Step 400
400
#6CB380
oklch(70.6% 0.104 152)
-
Step 500
500 (this color)
#399D5D
oklch(62.1% 0.134 152.1)
-
Step 600
600
#028A46
oklch(55.5% 0.145 152.2)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#124E29
oklch(37.6% 0.087 152)
-
Step 950
950
#0D2E19
oklch(27% 0.055 152.8)
#399D5D 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) | #9D9059 | 0.115 |
| Deuteranopia (no green cones) | #908761 | 0.112 |
| Tritanopia (no blue cones) | #129B8D | 0.070 |
| Achromatopsia (no color) | #8B8B8B | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399D5D
#399D5D
oklch(62.1% 0.134 152.1)
- #B566AA
#B566AA
oklch(62.3% 0.134 332.3)
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 #399D5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.035
- Muted Green #5FA052 ΔE 0.035
- Ocean Green #3D9973 ΔE 0.036
- Flat Green #699D4C ΔE 0.043
- Seaweed Green #35AD6B ΔE 0.046
- Viridian #1E9167 ΔE 0.046
- Mid Green #50A747 ΔE 0.047
Use #399D5D 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.