#00CFC3
Closest named color: Dark Turquoise (#00CED1). oklch(77% 0.134 187.4), rgb(0, 207, 195).
Aa
Black text reads best on this color (10.71:1).
About this color
#00CFC3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.134 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.022 away. Black text reads best on it, at 10.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.71:1 |
| White text | 1.96:1 |
Values
| HEX | #00CFC3 |
| RGB | rgb(0, 207, 195) |
| HSL | hsl(177, 100%, 41%) |
| OKLCH | oklch(77% 0.134 187.4) |
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 #00CFC3 | 1.96:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #00CFC3 | 10.71:1 | AAA | Lc 66.9 | Content text, not long reading |
| #00CFC3 text on white | 1.96:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #00CFC3 text on black | 10.71:1 | AAA | Lc -65.4 | 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
#E9FAF7
oklch(97.2% 0.018 184.3)
-
Step 100
100
#CEF3EE
oklch(93.6% 0.039 186.6)
-
Step 200
200
#9FEAE2
oklch(88.6% 0.075 187.5)
-
Step 300
300 (this color)
#00CFC3
oklch(77% 0.134 187.4)
-
Step 400
400
#00B9AE
oklch(70.8% 0.123 187.3)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#00CFC3 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) | #C3C3C3 | 0.142 |
| Deuteranopia (no green cones) | #ACB2C5 | 0.134 |
| Tritanopia (no blue cones) | #00D4CB | 0.016 |
| Achromatopsia (no color) | #B9B9B9 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CFC3
#00CFC3
oklch(77% 0.134 187.4)
- #FC8EA5
#FC8EA5
oklch(77% 0.135 7.3)
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 #00CFC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.022
- Medium Turquoise #48D1CC ΔE 0.026
- Medium Aquamarine #66CDAA ΔE 0.047
- Turquoise #40E0D0 ΔE 0.053
- Aqua Blue #02D8E9 ΔE 0.054
- Seafoam Blue #78D1B6 ΔE 0.056
- Topaz #13BBAF ΔE 0.057
- Emerald #06D6A0 ΔE 0.059
Use #00CFC3 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.