#00A9A9
Closest named color: Light Sea Green (#20B2AA). oklch(66.5% 0.114 194.8), rgb(0, 169, 169).
Aa
Black text reads best on this color (7.24:1).
About this color
#00A9A9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.114 and its hue 195°. 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 7.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #00A9A9 |
| RGB | rgb(0, 169, 169) |
| HSL | hsl(180, 100%, 33%) |
| OKLCH | oklch(66.5% 0.114 194.8) |
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 #00A9A9 | 2.89:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #00A9A9 | 7.24:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #00A9A9 text on white | 2.89:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #00A9A9 text on black | 7.24:1 | AAA | Lc -47.2 | 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 500.
-
Step 50
50
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDED
oklch(93.5% 0.016 196.9)
-
Step 200
200
#C3E0DF
oklch(88.5% 0.031 194.1)
-
Step 300
300
#97CCCB
oklch(80.8% 0.055 194.7)
-
Step 400
400
#54B2B1
oklch(70.7% 0.089 194.4)
-
Step 500
500 (this color)
#00A9A9
oklch(66.5% 0.114 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#00A9A9 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) | #9DA0A9 | 0.118 |
| Deuteranopia (no green cones) | #8992AA | 0.110 |
| Tritanopia (no blue cones) | #00AFA9 | 0.018 |
| Achromatopsia (no color) | #989898 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A9A9
#00A9A9
oklch(66.5% 0.114 194.8)
- #D0757D
#D0757D
oklch(66.5% 0.114 15)
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 #00A9A9, 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 0.042
- Persian Green #2A9D8F ΔE 0.043
- Sea #3C9992 ΔE 0.048
- Blue Green #0F9B8E ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.049
- Topaz #13BBAF ΔE 0.052
- Greeny Blue #42B395 ΔE 0.053
Use #00A9A9 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.