#66F8CD
Closest named color: Light Turquoise (#7EF4CC). oklch(88.8% 0.14 170.5), rgb(102, 248, 205).
Aa
Black text reads best on this color (15.87:1).
About this color
#66F8CD is a light, vivid teal or cyan. In OKLCH its lightness is 89%, its chroma 0.140 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Light Turquoise (#7EF4CC), ΔE 0.018 away. Black text reads best on it, at 15.87:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Light Turquoise (#7EF4CC) |
| Black text | 15.87:1 |
| White text | 1.32:1 |
Values
| HEX | #66F8CD |
| RGB | rgb(102, 248, 205) |
| HSL | hsl(162, 91%, 69%) |
| OKLCH | oklch(88.8% 0.14 170.5) |
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 #66F8CD | 1.32:1 | Fails | Lc -18.0 | Dividers and decoration only |
| Black text on #66F8CD | 15.87:1 | AAA | Lc 88.0 | Fine for body text |
| #66F8CD text on white | 1.32:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #66F8CD text on black | 15.87:1 | AAA | Lc -88.1 | Fine for body text |
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 200.
-
Step 50
50
#E6FBF3
oklch(97.1% 0.024 171)
-
Step 100
100
#C8F6E5
oklch(93.6% 0.052 170.7)
-
Step 200
200 (this color)
#66F8CD
oklch(88.8% 0.14 170.5)
-
Step 300
300
#00E1B2
oklch(81% 0.159 170.5)
-
Step 400
400
#00BC94
oklch(70.8% 0.139 170.4)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
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)
#66F8CD 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) | #F1E9CB | 0.143 |
| Deuteranopia (no green cones) | #DCD9D0 | 0.138 |
| Tritanopia (no blue cones) | #00FAEC | 0.046 |
| Achromatopsia (no color) | #E0E0E0 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66F8CD
#66F8CD
oklch(88.8% 0.14 170.5)
- #FFC8E0
#FFC8E0
oklch(88.8% 0.069 350.6)
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 #66F8CD, closest first.
No curated palette has a color within ΔE 0.04 of #66F8CD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Turquoise #7EF4CC ΔE 0.018
- Light Aquamarine #7BFDC7 ΔE 0.023
- Aquamarine #7FFFD4 ΔE 0.029
- Bright Teal #01F9C6 ΔE 0.034
- Light Blue Green #7EFBB3 ΔE 0.039
- Light Aqua #8CFFDB ΔE 0.040
- Seafoam #80F9AD ΔE 0.044
- Bright Aqua #0BF9EA ΔE 0.044
Use #66F8CD 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.