#00CFB4
Closest named color: Medium Aquamarine (#66CDAA). oklch(76.5% 0.14 178.8), rgb(0, 207, 180).
Aa
Black text reads best on this color (10.58:1).
About this color
#00CFB4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.140 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.039 away. Black text reads best on it, at 10.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.58:1 |
| White text | 1.98:1 |
Values
| HEX | #00CFB4 |
| RGB | rgb(0, 207, 180) |
| HSL | hsl(172, 100%, 41%) |
| OKLCH | oklch(76.5% 0.14 178.8) |
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 #00CFB4 | 1.98:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #00CFB4 | 10.58:1 | AAA | Lc 66.3 | Content text, not long reading |
| #00CFB4 text on white | 1.98:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #00CFB4 text on black | 10.58:1 | AAA | Lc -64.8 | 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
#E9FAF6
oklch(97.1% 0.019 180.3)
-
Step 100
100
#CEF3EA
oklch(93.5% 0.04 179)
-
Step 200
200
#A0EBDA
oklch(88.6% 0.078 178.6)
-
Step 300
300 (this color)
#00CFB4
oklch(76.5% 0.14 178.8)
-
Step 400
400
#00BAA2
oklch(70.6% 0.129 179.1)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#00CFB4 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) | #C6C1B3 | 0.148 |
| Deuteranopia (no green cones) | #B0B1B6 | 0.141 |
| Tritanopia (no blue cones) | #00D3C7 | 0.027 |
| Achromatopsia (no color) | #B8B8B8 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CFB4
#00CFB4
oklch(76.5% 0.14 178.8)
- #F98BB1
#F98BB1
oklch(76.6% 0.139 358.8)
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 #00CFB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.039
- Emerald #06D6A0 ΔE 0.039
- Medium Turquoise #48D1CC ΔE 0.043
- Dark Turquoise #00CED1 ΔE 0.043
- Greenblue #23C48B ΔE 0.056
- Topaz #13BBAF ΔE 0.057
- Seafoam Blue #78D1B6 ΔE 0.057
- Green Blue #01C08D ΔE 0.060
Use #00CFB4 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.