#439C8B
Closest named color: Persian Green (#2A9D8F). oklch(63.4% 0.089 178.8), rgb(67, 156, 139).
Aa
Black text reads best on this color (6.36:1).
About this color
#439C8B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.089 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.014 away. Black text reads best on it, at 6.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #439C8B |
| RGB | rgb(67, 156, 139) |
| HSL | hsl(169, 40%, 44%) |
| OKLCH | oklch(63.4% 0.089 178.8) |
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 #439C8B | 3.29:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #439C8B | 6.36:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #439C8B text on white | 3.29:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #439C8B text on black | 6.36:1 | AA | Lc -41.6 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFD9
oklch(88.6% 0.025 177.6)
-
Step 300
300
#A3CAC1
oklch(80.8% 0.043 179.5)
-
Step 400
400
#6FAFA1
oklch(70.7% 0.069 178.8)
-
Step 500
500 (this color)
#439C8B
oklch(63.4% 0.089 178.8)
-
Step 600
600
#158674
oklch(55.7% 0.098 178.4)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#0B5C50
oklch(42.7% 0.074 179.4)
-
Step 900
900
#164C42
oklch(37.8% 0.059 178.3)
-
Step 950
950
#0F2C27
oklch(26.9% 0.036 180.5)
#439C8B 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) | #96938A | 0.094 |
| Deuteranopia (no green cones) | #88898C | 0.090 |
| Tritanopia (no blue cones) | #009E97 | 0.027 |
| Achromatopsia (no color) | #8D8D8D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439C8B
#439C8B
oklch(63.4% 0.089 178.8)
- #B77389
#B77389
oklch(63.4% 0.09 359.1)
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 #439C8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.014
- Sea #3C9992 ΔE 0.017
- Grey Teal #5E9B8A ΔE 0.023
- Blue Green #0F9B8E ΔE 0.024
- Dull Teal #5F9E8F ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.034
- Ocean Green #3D9973 ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.043
Use #439C8B 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.