#00A491
Closest named color: Persian Green (#2A9D8F). oklch(64.4% 0.116 180.7), rgb(0, 164, 145).
Aa
Black text reads best on this color (6.71:1).
About this color
#00A491 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.116 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.021 away. Black text reads best on it, at 6.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #00A491 |
| RGB | rgb(0, 164, 145) |
| HSL | hsl(173, 100%, 32%) |
| OKLCH | oklch(64.4% 0.116 180.7) |
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 #00A491 | 3.12:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #00A491 | 6.71:1 | AA | Lc 46.4 | Large or bold text, headings |
| #00A491 text on white | 3.12:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #00A491 text on black | 6.71:1 | AA | Lc -44.1 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEEEA
oklch(93.7% 0.017 178.3)
-
Step 200
200
#C4E0DA
oklch(88.4% 0.031 181.2)
-
Step 300
300
#98CDC2
oklch(80.8% 0.057 180.6)
-
Step 400
400
#58B3A3
oklch(70.6% 0.091 180.6)
-
Step 500
500 (this color)
#00A491
oklch(64.4% 0.116 180.7)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#012E28
oklch(27.1% 0.048 181.4)
#00A491 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) | #9C9990 | 0.123 |
| Deuteranopia (no green cones) | #8A8C93 | 0.117 |
| Tritanopia (no blue cones) | #00A79E | 0.019 |
| Achromatopsia (no color) | #929292 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A491
#00A491
oklch(64.4% 0.116 180.7)
- #C66D8A
#C66D8A
oklch(64.3% 0.117 0.1)
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 #00A491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.021
- Blue Green #0F9B8E ΔE 0.026
- Sea #3C9992 ΔE 0.036
- Ocean Green #3D9973 ΔE 0.045
- Jade #1FA774 ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.049
- Light Sea Green #20B2AA ΔE 0.050
Use #00A491 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.