#339666
Closest named color: Viridian (#1E9167). oklch(60.3% 0.118 158.4), rgb(51, 150, 102).
Aa
Black text reads best on this color (5.69:1).
About this color
#339666 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.118 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.020 away. Black text reads best on it, at 5.69:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #339666 |
| RGB | rgb(51, 150, 102) |
| HSL | hsl(151, 49%, 39%) |
| OKLCH | oklch(60.3% 0.118 158.4) |
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 #339666 | 3.68:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #339666 | 5.69:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #339666 text on white | 3.68:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #339666 text on black | 5.69:1 | AA | Lc -37.5 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C8E0D1
oklch(88.5% 0.033 158.3)
-
Step 300
300
#A2CCB3
oklch(80.8% 0.057 158.7)
-
Step 400
400
#6CB28B
oklch(70.6% 0.092 158.5)
-
Step 500
500 (this color)
#339666
oklch(60.3% 0.118 158.4)
-
Step 600
600
#048956
oklch(55.6% 0.128 158.4)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#015F3A
oklch(42.8% 0.099 158.4)
-
Step 900
900
#124E32
oklch(37.8% 0.077 158.5)
-
Step 950
950
#0E2E1D
oklch(27.2% 0.05 157.3)
#339666 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) | #958B63 | 0.110 |
| Deuteranopia (no green cones) | #888169 | 0.108 |
| Tritanopia (no blue cones) | #009589 | 0.053 |
| Achromatopsia (no color) | #858585 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #339666
#339666
oklch(60.3% 0.118 158.4)
- #AE6399
#AE6399
oklch(60.2% 0.119 338.3)
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 #339666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.020
- Ocean Green #3D9973 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.028
- Sea Green #2E8B57 ΔE 0.035
- Fern Green #548D44 ΔE 0.043
- Jade #1FA774 ΔE 0.048
- Dark Sage #598556 ΔE 0.052
- Slate Green #658D6D ΔE 0.054
Use #339666 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.