#00AFA3
Closest named color: Light Sea Green (#20B2AA). oklch(67.9% 0.119 186.2), rgb(0, 175, 163).
Aa
Black text reads best on this color (7.66:1).
About this color
#00AFA3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.119 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.015 away. Black text reads best on it, at 7.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.66:1 |
| White text | 2.74:1 |
Values
| HEX | #00AFA3 |
| RGB | rgb(0, 175, 163) |
| HSL | hsl(176, 100%, 34%) |
| OKLCH | oklch(67.9% 0.119 186.2) |
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 #00AFA3 | 2.74:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #00AFA3 | 7.66:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #00AFA3 text on white | 2.74:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #00AFA3 text on black | 7.66:1 | AAA | Lc -49.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEC
oklch(93.7% 0.021 186)
-
Step 200
200
#BCE2DD
oklch(88.4% 0.04 186.7)
-
Step 300
300
#87D1C8
oklch(81% 0.075 186.1)
-
Step 400
400 (this color)
#00AFA3
oklch(67.9% 0.119 186.2)
-
Step 500
500
#009F94
oklch(63.2% 0.111 186.2)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#00AFA3 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) | #A5A4A3 | 0.127 |
| Deuteranopia (no green cones) | #9296A4 | 0.120 |
| Tritanopia (no blue cones) | #00B3AB | 0.014 |
| Achromatopsia (no color) | #9C9C9C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00AFA3
#00AFA3
oklch(67.9% 0.119 186.2)
- #D5778C
#D5778C
oklch(67.9% 0.119 6.4)
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 #00AFA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.015
- Greeny Blue #42B395 ΔE 0.033
- Topaz #13BBAF ΔE 0.036
- Turquoise Blue #06B1C4 ΔE 0.049
- Persian Green #2A9D8F ΔE 0.052
- Dull Teal #5F9E8F ΔE 0.058
- Blue Green #0F9B8E ΔE 0.059
- Cadet Blue #5F9EA0 ΔE 0.061
Use #00AFA3 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.