#439D8E
Closest named color: Persian Green (#2A9D8F). oklch(63.7% 0.089 180.7), rgb(67, 157, 142).
Aa
Black text reads best on this color (6.45:1).
About this color
#439D8E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.089 and its hue 181°. 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 6.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #439D8E |
| RGB | rgb(67, 157, 142) |
| HSL | hsl(170, 40%, 44%) |
| OKLCH | oklch(63.7% 0.089 180.7) |
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 #439D8E | 3.25:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #439D8E | 6.45:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #439D8E text on white | 3.25:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #439D8E text on black | 6.45:1 | AA | Lc -42.1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC2
oklch(80.9% 0.043 181.3)
-
Step 400
400
#6EAFA3
oklch(70.7% 0.069 181.2)
-
Step 500
500 (this color)
#439D8E
oklch(63.7% 0.089 180.7)
-
Step 600
600
#128576
oklch(55.5% 0.096 180.9)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#085C51
oklch(42.7% 0.075 180.7)
-
Step 900
900
#154C43
oklch(37.8% 0.059 180)
-
Step 950
950
#0F2C27
oklch(26.9% 0.036 180.5)
#439D8E 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) | #97958D | 0.094 |
| Deuteranopia (no green cones) | #898A8F | 0.090 |
| Tritanopia (no blue cones) | #00A098 | 0.025 |
| Achromatopsia (no color) | #8F8F8F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439D8E
#439D8E
oklch(63.7% 0.089 180.7)
- #B87488
#B87488
oklch(63.7% 0.089 0.9)
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 #439D8E, 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 0.016
- Grey Teal #5E9B8A ΔE 0.023
- Dull Teal #5F9E8F ΔE 0.025
- Blue Green #0F9B8E ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.039
Use #439D8E 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.