#199D99
Closest named color: Persian Green (#2A9D8F). oklch(63.1% 0.104 191.5), rgb(25, 157, 153).
Aa
Black text reads best on this color (6.32:1).
About this color
#199D99 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.104 and its hue 192°. 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 6.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #199D99 |
| RGB | rgb(25, 157, 153) |
| HSL | hsl(178, 73%, 36%) |
| OKLCH | oklch(63.1% 0.104 191.5) |
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 #199D99 | 3.32:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #199D99 | 6.32:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #199D99 text on white | 3.32:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #199D99 text on black | 6.32:1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C5DFDE
oklch(88.4% 0.028 193.8)
-
Step 300
300
#9BCCC9
oklch(81% 0.051 191.5)
-
Step 400
400
#5EB1AD
oklch(70.7% 0.081 191.4)
-
Step 500
500 (this color)
#199D99
oklch(63.1% 0.104 191.5)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706D
oklch(49.2% 0.085 191.5)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#052D2C
oklch(27% 0.043 192.4)
#199D99 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) | #939499 | 0.110 |
| Deuteranopia (no green cones) | #81889A | 0.102 |
| Tritanopia (no blue cones) | #00A29B | 0.014 |
| Achromatopsia (no color) | #8D8D8D | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #199D99
#199D99
oklch(63.1% 0.104 191.5)
- #BF6E79
#BF6E79
oklch(63.1% 0.103 11.7)
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 #199D99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.015
- Blue Green #0F9B8E ΔE 0.017
- Sea #3C9992 ΔE 0.018
- Teal Green #0A9396 ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.048
Use #199D99 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.