#19AAA5
Closest named color: Light Sea Green (#20B2AA). oklch(66.8% 0.111 191), rgb(25, 170, 165).
Aa
Black text reads best on this color (7.33:1).
About this color
#19AAA5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.111 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.023 away. Black text reads best on it, at 7.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #19AAA5 |
| RGB | rgb(25, 170, 165) |
| HSL | hsl(178, 74%, 38%) |
| OKLCH | oklch(66.8% 0.111 191) |
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 #19AAA5 | 2.86:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #19AAA5 | 7.33:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #19AAA5 text on white | 2.86:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #19AAA5 text on black | 7.33:1 | AAA | Lc -47.5 | 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 500.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C3E0DE
oklch(88.5% 0.031 191.5)
-
Step 300
300
#98CCC9
oklch(80.8% 0.054 191.7)
-
Step 400
400
#58B2AD
oklch(70.7% 0.087 190.6)
-
Step 500
500 (this color)
#19AAA5
oklch(66.8% 0.111 191)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
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
#012D2C
oklch(26.9% 0.045 192.5)
#19AAA5 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) | #9FA1A5 | 0.117 |
| Deuteranopia (no green cones) | #8C93A6 | 0.109 |
| Tritanopia (no blue cones) | #00AFA8 | 0.014 |
| Achromatopsia (no color) | #999999 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19AAA5
#19AAA5
oklch(66.8% 0.111 191)
- #CF7784
#CF7784
oklch(66.9% 0.111 11)
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 #19AAA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.023
- Persian Green #2A9D8F ΔE 0.042
- Greeny Blue #42B395 ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.045
- Topaz #13BBAF ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.048
- Sea #3C9992 ΔE 0.049
- Blue Green #0F9B8E ΔE 0.049
Use #19AAA5 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.