#00CFAA
Closest named color: Emerald (#06D6A0). oklch(76.2% 0.145 173.6), rgb(0, 207, 170).
Aa
Black text reads best on this color (10.50:1).
About this color
#00CFAA is a medium-light, vivid teal or cyan. In OKLCH its lightness is 76%, its chroma 0.145 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.028 away. Black text reads best on it, at 10.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #00CFAA |
| RGB | rgb(0, 207, 170) |
| HSL | hsl(169, 100%, 41%) |
| OKLCH | oklch(76.2% 0.145 173.6) |
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 #00CFAA | 1.99:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #00CFAA | 10.50:1 | AAA | Lc 65.9 | Content text, not long reading |
| #00CFAA text on white | 1.99:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #00CFAA text on black | 10.50:1 | AAA | Lc -64.4 | Content text, not long reading |
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 300.
-
Step 50
50
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CEF4E7
oklch(93.7% 0.043 172.6)
-
Step 200
200
#A0EBD5
oklch(88.5% 0.081 174.1)
-
Step 300
300 (this color)
#00CFAA
oklch(76.2% 0.145 173.6)
-
Step 400
400
#00BB9A
oklch(70.7% 0.134 174)
-
Step 500
500
#00A183
oklch(63.2% 0.121 173.2)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#00CFAA 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) | #C8C1A8 | 0.151 |
| Deuteranopia (no green cones) | #B2B1AD | 0.144 |
| Tritanopia (no blue cones) | #00D1C4 | 0.036 |
| Achromatopsia (no color) | #B7B7B7 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CFAA
#00CFAA
oklch(76.2% 0.145 173.6)
- #F888B9
#F888B9
oklch(76.2% 0.146 353.5)
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 #00CFAA, closest first.
No curated palette has a color within ΔE 0.04 of #00CFAA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.028
- Medium Aquamarine #66CDAA ΔE 0.040
- Greenblue #23C48B ΔE 0.044
- Green Blue #01C08D ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.056
- Dark Turquoise #00CED1 ΔE 0.058
- Topaz #13BBAF ΔE 0.061
- Seafoam Blue #78D1B6 ΔE 0.061
Use #00CFAA 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.