#00A39B
Closest named color: Persian Green (#2A9D8F). oklch(64.5% 0.112 188.6), rgb(0, 163, 155).
Aa
Black text reads best on this color (6.71:1).
About this color
#00A39B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.112 and its hue 189°. 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 (0.112) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #00A39B |
| RGB | rgb(0, 163, 155) |
| HSL | hsl(177, 100%, 32%) |
| OKLCH | oklch(64.5% 0.112 188.6) |
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 #00A39B | 3.12:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #00A39B | 6.71:1 | AA | Lc 46.4 | Large or bold text, headings |
| #00A39B text on white | 3.12:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #00A39B 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
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C4E0DD
oklch(88.5% 0.03 188.8)
-
Step 300
300
#98CDC7
oklch(81% 0.056 187.5)
-
Step 400
400
#58B2AB
oklch(70.6% 0.087 188.7)
-
Step 500
500 (this color)
#00A39B
oklch(64.5% 0.112 188.6)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#012E2B
oklch(27.2% 0.047 187.9)
#00A39B 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) | #99999B | 0.119 |
| Deuteranopia (no green cones) | #878C9C | 0.112 |
| Tritanopia (no blue cones) | #00A8A0 | 0.015 |
| Achromatopsia (no color) | #929292 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A39B
#00A39B
oklch(64.5% 0.112 188.6)
- #C76F80
#C76F80
oklch(64.5% 0.112 8.3)
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 #00A39B, 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 0.031
- Light Sea Green #20B2AA ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.047
- Teal Green #0A9396 ΔE 0.047
- Grey Teal #5E9B8A ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.051
Use #00A39B 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.