#19B2AA
Closest named color: Light Sea Green (#20B2AA). oklch(69% 0.116 189), rgb(25, 178, 170).
Aa
Black text reads best on this color (7.98:1).
About this color
#19B2AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.116 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.002 away. Black text reads best on it, at 7.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.98:1 |
| White text | 2.62:1 |
Values
| HEX | #19B2AA |
| RGB | rgb(25, 178, 170) |
| HSL | hsl(177, 75%, 40%) |
| OKLCH | oklch(69% 0.116 189) |
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 #19B2AA | 2.62:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #19B2AA | 7.98:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #19B2AA text on white | 2.62:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #19B2AA text on black | 7.98:1 | AAA | Lc -51.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200
#BCE2DE
oklch(88.4% 0.04 188.6)
-
Step 300
300
#88D0CA
oklch(80.9% 0.073 189.2)
-
Step 400
400 (this color)
#19B2AA
oklch(69% 0.116 189)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#19B2AA 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) | #A7A8AA | 0.122 |
| Deuteranopia (no green cones) | #949AAB | 0.115 |
| Tritanopia (no blue cones) | #00B7AF | 0.014 |
| Achromatopsia (no color) | #A0A0A0 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19B2AA
#19B2AA
oklch(69% 0.116 189)
- #D87C8C
#D87C8C
oklch(69.1% 0.115 9.4)
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 #19B2AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.002
- Topaz #13BBAF ΔE 0.025
- Greeny Blue #42B395 ΔE 0.034
- Turquoise Blue #06B1C4 ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.062
- Persian Green #2A9D8F ΔE 0.063
- Dull Teal #5F9E8F ΔE 0.063
- Green Blue #01C08D ΔE 0.068
Use #19B2AA 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.