#439C8A
Closest named color: Persian Green (#2A9D8F). oklch(63.3% 0.09 177.9), rgb(67, 156, 138).
Aa
Black text reads best on this color (6.36:1).
About this color
#439C8A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.090 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.015 away. Black text reads best on it, at 6.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.36:1 |
| White text | 3.30:1 |
Values
| HEX | #439C8A |
| RGB | rgb(67, 156, 138) |
| HSL | hsl(168, 40%, 44%) |
| OKLCH | oklch(63.3% 0.09 177.9) |
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 #439C8A | 3.30:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #439C8A | 6.36:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #439C8A text on white | 3.30:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #439C8A 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
#A3CAC0
oklch(80.8% 0.044 177.8)
-
Step 400
400
#6FAFA0
oklch(70.6% 0.07 177.7)
-
Step 500
500 (this color)
#439C8A
oklch(63.3% 0.09 177.9)
-
Step 600
600
#158673
oklch(55.7% 0.098 177.5)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#0B5C4F
oklch(42.7% 0.075 178.2)
-
Step 900
900
#164C41
oklch(37.8% 0.059 176.8)
-
Step 950
950
#0F2C26
oklch(26.9% 0.037 177.8)
#439C8A 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) | #969389 | 0.094 |
| Deuteranopia (no green cones) | #89898B | 0.091 |
| Tritanopia (no blue cones) | #009E97 | 0.028 |
| Achromatopsia (no color) | #8D8D8D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439C8A
#439C8A
oklch(63.3% 0.09 177.9)
- #B6738A
#B6738A
oklch(63.3% 0.089 357.8)
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 #439C8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.015
- Sea #3C9992 ΔE 0.018
- Grey Teal #5E9B8A ΔE 0.023
- Blue Green #0F9B8E ΔE 0.024
- Dull Teal #5F9E8F ΔE 0.028
- Ocean Green #3D9973 ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.044
Use #439C8A 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.