#1AB5B9
Closest named color: Light Sea Green (#20B2AA). oklch(70.3% 0.116 197.7), rgb(26, 181, 185).
Aa
Black text reads best on this color (8.35:1).
About this color
#1AB5B9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.116 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.021 away. Black text reads best on it, at 8.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.35:1 |
| White text | 2.51:1 |
Values
| HEX | #1AB5B9 |
| RGB | rgb(26, 181, 185) |
| HSL | hsl(182, 75%, 41%) |
| OKLCH | oklch(70.3% 0.116 197.7) |
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 #1AB5B9 | 2.51:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #1AB5B9 | 8.35:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #1AB5B9 text on white | 2.51:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #1AB5B9 text on black | 8.35:1 | AAA | Lc -53.2 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DBEEEF
oklch(93.5% 0.02 200.6)
-
Step 200
200
#BBE2E2
oklch(88.5% 0.041 196.4)
-
Step 300
300
#87CFD1
oklch(80.8% 0.072 198.1)
-
Step 400
400 (this color)
#1AB5B9
oklch(70.3% 0.116 197.7)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#1AB5B9 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) | #A7ACBA | 0.119 |
| Deuteranopia (no green cones) | #939DBA | 0.111 |
| Tritanopia (no blue cones) | #00BCB6 | 0.022 |
| Achromatopsia (no color) | #A3A3A3 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1AB5B9
#1AB5B9
oklch(70.3% 0.116 197.7)
- #DE8084
#DE8084
oklch(70.3% 0.116 17.8)
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 #1AB5B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.021
- Turquoise Blue #06B1C4 ΔE 0.023
- Topaz #13BBAF ΔE 0.026
- Greeny Blue #42B395 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.068
- Dark Turquoise #00CED1 ΔE 0.070
- Dull Teal #5F9E8F ΔE 0.076
- Greyblue #77A1B5 ΔE 0.077
Use #1AB5B9 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.