#439997
Closest named color: Sea (#3C9992). oklch(63% 0.082 193.2), rgb(67, 153, 151).
Aa
Black text reads best on this color (6.24:1).
About this color
#439997 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.082 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.010 away. Black text reads best on it, at 6.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #439997 |
| RGB | rgb(67, 153, 151) |
| HSL | hsl(179, 39%, 43%) |
| OKLCH | oklch(63% 0.082 193.2) |
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 #439997 | 3.36:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #439997 | 6.24:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #439997 text on white | 3.36:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #439997 text on black | 6.24:1 | AA | Lc -40.8 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#C9DEDD
oklch(88.5% 0.022 193.3)
-
Step 300
300
#A3C9C8
oklch(80.8% 0.04 194.4)
-
Step 400
400
#6FAEAC
oklch(70.8% 0.065 193.2)
-
Step 500
500 (this color)
#439997
oklch(63% 0.082 193.2)
-
Step 600
600
#198482
oklch(55.7% 0.09 192.9)
-
Step 700
700
#036F6E
oklch(49% 0.083 193.7)
-
Step 800
800
#0D5B59
oklch(42.8% 0.069 192.1)
-
Step 900
900
#174B49
oklch(37.8% 0.054 191.5)
-
Step 950
950
#0F2C2B
oklch(27.1% 0.035 192.2)
#439997 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) | #909297 | 0.086 |
| Deuteranopia (no green cones) | #828898 | 0.080 |
| Tritanopia (no blue cones) | #009D98 | 0.026 |
| Achromatopsia (no color) | #8C8C8C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439997
#439997
oklch(63% 0.082 193.2)
- #B5747B
#B5747B
oklch(62.9% 0.082 12.7)
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 #439997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.010
- Persian Green #2A9D8F ΔE 0.025
- Blue Green #0F9B8E ΔE 0.030
- Grey Teal #5E9B8A ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.033
- Cadet Blue #5F9EA0 ΔE 0.033
- Teal Green #0A9396 ΔE 0.034
Use #439997 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.