#2AAAB0
Closest named color: Light Sea Green (#20B2AA). oklch(67.5% 0.106 199.8), rgb(42, 170, 176).
Aa
Black text reads best on this color (7.47:1).
About this color
#2AAAB0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.106 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.028 away. Black text reads best on it, at 7.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.47:1 |
| White text | 2.80:1 |
Values
| HEX | #2AAAB0 |
| RGB | rgb(42, 170, 176) |
| HSL | hsl(183, 61%, 43%) |
| OKLCH | oklch(67.5% 0.106 199.8) |
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 #2AAAB0 | 2.80:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #2AAAB0 | 7.47:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #2AAAB0 text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #2AAAB0 text on black | 7.47:1 | AAA | Lc -48.2 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DCEEEF
oklch(93.6% 0.019 200.9)
-
Step 200
200
#BEE1E2
oklch(88.5% 0.037 198.6)
-
Step 300
300
#8DCED1
oklch(80.9% 0.066 199.6)
-
Step 400
400 (this color)
#2AAAB0
oklch(67.5% 0.106 199.8)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008489
oklch(55.7% 0.095 199.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#2AAAB0 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) | #9DA2B1 | 0.108 |
| Deuteranopia (no green cones) | #8A94B1 | 0.100 |
| Tritanopia (no blue cones) | #00B0AC | 0.022 |
| Achromatopsia (no color) | #9A9A9A | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2AAAB0
#2AAAB0
oklch(67.5% 0.106 199.8)
- #D07B7C
#D07B7C
oklch(67.5% 0.106 19.5)
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 #2AAAB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.028
- Turquoise Blue #06B1C4 ΔE 0.030
- Cadet Blue #5F9EA0 ΔE 0.044
- Topaz #13BBAF ΔE 0.050
- Persian Green #2A9D8F ΔE 0.054
- Dull Teal #5F9E8F ΔE 0.054
- Sea #3C9992 ΔE 0.055
- Greeny Blue #42B395 ΔE 0.056
Use #2AAAB0 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.