#00A591
Closest named color: Persian Green (#2A9D8F). oklch(64.7% 0.117 180.1), rgb(0, 165, 145).
Aa
Black text reads best on this color (6.79:1).
About this color
#00A591 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.117 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.024 away. Black text reads best on it, at 6.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.79:1 |
| White text | 3.09:1 |
Values
| HEX | #00A591 |
| RGB | rgb(0, 165, 145) |
| HSL | hsl(173, 100%, 32%) |
| OKLCH | oklch(64.7% 0.117 180.1) |
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 #00A591 | 3.09:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #00A591 | 6.79:1 | AA | Lc 46.8 | Large or bold text, headings |
| #00A591 text on white | 3.09:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #00A591 text on black | 6.79:1 | AA | Lc -44.5 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
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
#57B3A3
oklch(70.6% 0.091 180.7)
-
Step 500
500 (this color)
#00A591
oklch(64.7% 0.117 180.1)
-
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
#012E27
oklch(27% 0.048 179.3)
#00A591 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) | #9D9A90 | 0.124 |
| Deuteranopia (no green cones) | #8B8D93 | 0.118 |
| Tritanopia (no blue cones) | #00A89F | 0.020 |
| Achromatopsia (no color) | #929292 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A591
#00A591
oklch(64.7% 0.117 180.1)
- #C76E8B
#C76E8B
oklch(64.6% 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 #00A591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.024
- Blue Green #0F9B8E ΔE 0.029
- Sea #3C9992 ΔE 0.039
- Jade #1FA774 ΔE 0.044
- Ocean Green #3D9973 ΔE 0.046
- Light Sea Green #20B2AA ΔE 0.048
- Dull Teal #5F9E8F ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.049
Use #00A591 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.