#2CA9B0
Closest named color: Light Sea Green (#20B2AA). oklch(67.3% 0.104 200.7), rgb(44, 169, 176).
Aa
Black text reads best on this color (7.40:1).
About this color
#2CA9B0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.104 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.031 away. Black text reads best on it, at 7.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #2CA9B0 |
| RGB | rgb(44, 169, 176) |
| HSL | hsl(183, 60%, 43%) |
| OKLCH | oklch(67.3% 0.104 200.7) |
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 #2CA9B0 | 2.83:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #2CA9B0 | 7.40:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #2CA9B0 text on white | 2.83:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #2CA9B0 text on black | 7.40:1 | AAA | Lc -47.8 | 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
#BEE1E3
oklch(88.5% 0.037 200.8)
-
Step 300
300
#8ECED2
oklch(81% 0.065 200.9)
-
Step 400
400 (this color)
#2CA9B0
oklch(67.3% 0.104 200.7)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#2CA9B0 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) | #9CA1B1 | 0.106 |
| Deuteranopia (no green cones) | #8994B1 | 0.097 |
| Tritanopia (no blue cones) | #00AFAB | 0.023 |
| Achromatopsia (no color) | #999999 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2CA9B0
#2CA9B0
oklch(67.3% 0.104 200.7)
- #CE7B7A
#CE7B7A
oklch(67.2% 0.104 20.9)
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 #2CA9B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.031
- Turquoise Blue #06B1C4 ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.042
- Persian Green #2A9D8F ΔE 0.053
- Topaz #13BBAF ΔE 0.053
- Dull Teal #5F9E8F ΔE 0.053
- Sea #3C9992 ΔE 0.054
- Greeny Blue #42B395 ΔE 0.058
Use #2CA9B0 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.