#00CFA3
Closest named color: Emerald (#06D6A0). oklch(76% 0.15 170.3), rgb(0, 207, 163).
Aa
Black text reads best on this color (10.45:1).
About this color
#00CFA3 is a medium-light, vivid teal or cyan. In OKLCH its lightness is 76%, its chroma 0.150 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.022 away. Black text reads best on it, at 10.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #00CFA3 |
| RGB | rgb(0, 207, 163) |
| HSL | hsl(167, 100%, 41%) |
| OKLCH | oklch(76% 0.15 170.3) |
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 #00CFA3 | 2.00:1 | Fails | Lc -42.7 | Non-text elements, placeholder text |
| Black text on #00CFA3 | 10.45:1 | AAA | Lc 65.7 | Content text, not long reading |
| #00CFA3 text on white | 2.00:1 | Fails | Lc 38.2 | Non-text elements, placeholder text |
| #00CFA3 text on black | 10.45:1 | AAA | Lc -64.2 | 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
#E9FAF3
oklch(97.1% 0.02 169.4)
-
Step 100
100
#CEF4E6
oklch(93.6% 0.044 171)
-
Step 200
200
#A0ECD1
oklch(88.6% 0.084 170.1)
-
Step 300
300 (this color)
#00CFA3
oklch(76% 0.15 170.3)
-
Step 400
400
#00BC94
oklch(70.8% 0.139 170.4)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#00CFA3 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) | #C9C0A1 | 0.153 |
| Deuteranopia (no green cones) | #B3B1A6 | 0.146 |
| Tritanopia (no blue cones) | #00D1C3 | 0.045 |
| Achromatopsia (no color) | #B7B7B7 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CFA3
#00CFA3
oklch(76% 0.15 170.3)
- #F786BE
#F786BE
oklch(76% 0.151 350.2)
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 #00CFA3, closest first.
No curated palette has a color within ΔE 0.04 of #00CFA3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.022
- Greenblue #23C48B ΔE 0.037
- Medium Aquamarine #66CDAA ΔE 0.044
- Green Blue #01C08D ΔE 0.046
- Seaweed #18D17B ΔE 0.055
- Aqua Green #12E193 ΔE 0.062
- Dark Mint #48C072 ΔE 0.063
- Soft Green #6FC276 ΔE 0.065
Use #00CFA3 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.