#00A4A1
Closest named color: Persian Green (#2A9D8F). oklch(65% 0.111 192.5), rgb(0, 164, 161).
Aa
Black text reads best on this color (6.82:1).
About this color
#00A4A1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.111 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.028 away. Black text reads best on it, at 6.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #00A4A1 |
| RGB | rgb(0, 164, 161) |
| HSL | hsl(179, 100%, 32%) |
| OKLCH | oklch(65% 0.111 192.5) |
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 #00A4A1 | 3.07:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #00A4A1 | 6.82:1 | AA | Lc 47.0 | Large or bold text, headings |
| #00A4A1 text on white | 3.07:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #00A4A1 text on black | 6.82:1 | AA | Lc -44.7 | 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
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C3E0DE
oklch(88.5% 0.031 191.5)
-
Step 300
300
#98CCCA
oklch(80.8% 0.054 193.2)
-
Step 400
400
#57B2AF
oklch(70.7% 0.087 192.5)
-
Step 500
500 (this color)
#00A4A1
oklch(65% 0.111 192.5)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
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
#002D2C
oklch(26.9% 0.046 192.5)
#00A4A1 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) | #999BA1 | 0.117 |
| Deuteranopia (no green cones) | #868DA2 | 0.110 |
| Tritanopia (no blue cones) | #00A9A3 | 0.015 |
| Achromatopsia (no color) | #939393 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A4A1
#00A4A1
oklch(65% 0.111 192.5)
- #C9717C
#C9717C
oklch(64.9% 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 #00A4A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.028
- Blue Green #0F9B8E ΔE 0.033
- Sea #3C9992 ΔE 0.034
- Light Sea Green #20B2AA ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.048
- Dull Teal #5F9E8F ΔE 0.048
- Teal Green #0A9396 ΔE 0.049
- Grey Teal #5E9B8A ΔE 0.051
Use #00A4A1 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.