#399F5E
Closest named color: Jade (#1FA774). oklch(62.7% 0.136 152.2), rgb(57, 159, 94).
Aa
Black text reads best on this color (6.29:1).
About this color
#399F5E is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.136 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.030 away. Black text reads best on it, at 6.29:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #399F5E |
| RGB | rgb(57, 159, 94) |
| HSL | hsl(142, 47%, 42%) |
| OKLCH | oklch(62.7% 0.136 152.2) |
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 #399F5E | 3.33:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #399F5E | 6.29:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #399F5E text on white | 3.33:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #399F5E text on black | 6.29:1 | AA | Lc -41.3 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CD
oklch(88.6% 0.038 151.3)
-
Step 300
300
#A1CEAC
oklch(81% 0.067 152.2)
-
Step 400
400
#6BB480
oklch(70.8% 0.106 152.1)
-
Step 500
500 (this color)
#399F5E
oklch(62.7% 0.136 152.2)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602E
oklch(42.8% 0.113 152)
-
Step 900
900
#104E29
oklch(37.5% 0.088 152.4)
-
Step 950
950
#0D2E18
oklch(27% 0.056 151.7)
#399F5E 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) | #9F9259 | 0.116 |
| Deuteranopia (no green cones) | #928962 | 0.114 |
| Tritanopia (no blue cones) | #0F9D8F | 0.071 |
| Achromatopsia (no color) | #8D8D8D | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399F5E
#399F5E
oklch(62.7% 0.136 152.2)
- #B767AC
#B767AC
oklch(62.7% 0.135 332.3)
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 #399F5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.030
- Muted Green #5FA052 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.040
- Seaweed Green #35AD6B ΔE 0.040
- Flat Green #699D4C ΔE 0.041
- Mid Green #50A747 ΔE 0.043
- Jade Green #2BAF6A ΔE 0.045
Use #399F5E 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.