#00A39E
Closest named color: Persian Green (#2A9D8F). oklch(64.6% 0.111 190.9), rgb(0, 163, 158).
Aa
Black text reads best on this color (6.73:1).
About this color
#00A39E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.111 and its hue 191°. 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 6.73:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #00A39E |
| RGB | rgb(0, 163, 158) |
| HSL | hsl(178, 100%, 32%) |
| OKLCH | oklch(64.6% 0.111 190.9) |
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 #00A39E | 3.11:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #00A39E | 6.73:1 | AA | Lc 46.5 | Large or bold text, headings |
| #00A39E text on white | 3.11:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #00A39E text on black | 6.73:1 | AA | Lc -44.2 | 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
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C3E0DE
oklch(88.5% 0.031 191.5)
-
Step 300
300
#98CCC9
oklch(80.8% 0.054 191.7)
-
Step 400
400
#57B2AD
oklch(70.7% 0.087 190.6)
-
Step 500
500 (this color)
#00A39E
oklch(64.6% 0.111 190.9)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#012D2C
oklch(26.9% 0.045 192.5)
#00A39E 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) | #989A9E | 0.117 |
| Deuteranopia (no green cones) | #868C9F | 0.110 |
| Tritanopia (no blue cones) | #00A8A1 | 0.014 |
| Achromatopsia (no color) | #929292 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A39E
#00A39E
oklch(64.6% 0.111 190.9)
- #C8707D
#C8707D
oklch(64.7% 0.112 11.2)
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 #00A39E, 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 0.028
- Sea #3C9992 ΔE 0.031
- Light Sea Green #20B2AA ΔE 0.045
- Teal Green #0A9396 ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.049
- Grey Teal #5E9B8A ΔE 0.049
Use #00A39E 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.