#399B69
Closest named color: Ocean Green (#3D9973). oklch(61.9% 0.119 157.6), rgb(57, 155, 105).
Aa
Black text reads best on this color (6.06:1).
About this color
#399B69 is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.119 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.018 away. Black text reads best on it, at 6.06:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #399B69 |
| RGB | rgb(57, 155, 105) |
| HSL | hsl(149, 46%, 42%) |
| OKLCH | oklch(61.9% 0.119 157.6) |
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 #399B69 | 3.46:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #399B69 | 6.06:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #399B69 text on white | 3.46:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #399B69 text on black | 6.06:1 | AA | Lc -39.8 | 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
#E1EDE5
oklch(93.5% 0.017 156.9)
-
Step 200
200
#C8E0D1
oklch(88.5% 0.033 158.3)
-
Step 300
300
#A2CDB2
oklch(81% 0.059 157.2)
-
Step 400
400
#6CB28A
oklch(70.6% 0.093 157.9)
-
Step 500
500 (this color)
#399B69
oklch(61.9% 0.119 157.6)
-
Step 600
600
#058954
oklch(55.5% 0.13 157.5)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#025F39
oklch(42.8% 0.1 157.7)
-
Step 900
900
#134E31
oklch(37.8% 0.078 157.4)
-
Step 950
950
#0E2E1D
oklch(27.2% 0.05 157.3)
#399B69 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) | #9A8F66 | 0.110 |
| Deuteranopia (no green cones) | #8D866C | 0.107 |
| Tritanopia (no blue cones) | #039A8E | 0.055 |
| Achromatopsia (no color) | #8A8A8A | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399B69
#399B69
oklch(61.9% 0.119 157.6)
- #B3689F
#B3689F
oklch(61.9% 0.119 337.6)
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 #399B69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.018
- Jade #1FA774 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.034
- Viridian #1E9167 ΔE 0.036
- Muted Green #5FA052 ΔE 0.046
- Fern Green #548D44 ΔE 0.050
- Sea Green #2E8B57 ΔE 0.050
- Flat Green #699D4C ΔE 0.052
Use #399B69 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.