#00A3A1
Closest named color: Persian Green (#2A9D8F). oklch(64.7% 0.111 193.2), rgb(0, 163, 161).
Aa
Black text reads best on this color (6.75:1).
About this color
#00A3A1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.111 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.027 away. Black text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #00A3A1 |
| RGB | rgb(0, 163, 161) |
| HSL | hsl(179, 100%, 32%) |
| OKLCH | oklch(64.7% 0.111 193.2) |
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 #00A3A1 | 3.10:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #00A3A1 | 6.75:1 | AA | Lc 46.6 | Large or bold text, headings |
| #00A3A1 text on white | 3.10:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #00A3A1 text on black | 6.75:1 | AA | Lc -44.3 | Non-text elements, placeholder text |
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
#DFEDED
oklch(93.6% 0.015 196.9)
-
Step 200
200
#C3E0DF
oklch(88.5% 0.031 194.1)
-
Step 300
300
#98CCCA
oklch(80.8% 0.054 193.2)
-
Step 400
400
#57B2B0
oklch(70.8% 0.087 193.5)
-
Step 500
500 (this color)
#00A3A1
oklch(64.7% 0.111 193.2)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#012D2D
oklch(26.9% 0.045 194.8)
#00A3A1 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) | #989AA1 | 0.116 |
| Deuteranopia (no green cones) | #858CA2 | 0.109 |
| Tritanopia (no blue cones) | #00A8A2 | 0.015 |
| Achromatopsia (no color) | #929292 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A3A1
#00A3A1
oklch(64.7% 0.111 193.2)
- #C8707B
#C8707B
oklch(64.6% 0.111 12.7)
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 #00A3A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.027
- Blue Green #0F9B8E ΔE 0.031
- Sea #3C9992 ΔE 0.032
- Light Sea Green #20B2AA ΔE 0.045
- Teal Green #0A9396 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.048
- Dull Teal #5F9E8F ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.051
Use #00A3A1 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.