#2A9D8F
Named color: Persian Green. oklch(63% 0.101 183), rgb(42, 157, 143).
Aa
Black text reads best on this color (6.31:1).
About this color
#2A9D8F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.101 and its hue 183°. Its hue sits on the cool side of the wheel. It is the named color Persian Green. Black text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Persian Green |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #2A9D8F |
| RGB | rgb(42, 157, 143) |
| HSL | hsl(173, 58%, 39%) |
| OKLCH | oklch(63% 0.101 183) |
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 #2A9D8F | 3.32:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #2A9D8F | 6.31:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #2A9D8F text on white | 3.32:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #2A9D8F text on black | 6.31:1 | AA | Lc -41.4 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6DFDB
oklch(88.4% 0.027 185.1)
-
Step 300
300
#9ECCC3
oklch(81% 0.05 181.7)
-
Step 400
400
#63B1A5
oklch(70.7% 0.08 182.9)
-
Step 500
500 (this color)
#2A9D8F
oklch(63% 0.101 183)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#034D45
oklch(37.8% 0.066 182.9)
-
Step 950
950
#082D28
oklch(27% 0.042 182.3)
#2A9D8F 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) | #95948F | 0.107 |
| Deuteranopia (no green cones) | #858890 | 0.101 |
| Tritanopia (no blue cones) | #00A099 | 0.016 |
| Achromatopsia (no color) | #8D8D8D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A9D8F
#2A9D8F
oklch(63% 0.101 183)
- #BC6E83
#BC6E83
oklch(63% 0.102 3.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #2A9D8F
These curated palettes and gradients contain exactly #2A9D8F. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.012
- Sea #3C9992 ΔE 0.017
- Grey Teal #5E9B8A ΔE 0.037
- Teal Green #0A9396 ΔE 0.038
- Ocean Green #3D9973 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.050
Use #2A9D8F 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.