#66A992
Closest named color: Dull Teal (#5F9E8F). oklch(68.3% 0.077 170), rgb(102, 169, 146).
Aa
Black text reads best on this color (7.65:1).
About this color
#66A992 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.077 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.033 away. Black text reads best on it, at 7.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.65:1 |
| White text | 2.74:1 |
Values
| HEX | #66A992 |
| RGB | rgb(102, 169, 146) |
| HSL | hsl(159, 28%, 53%) |
| OKLCH | oklch(68.3% 0.077 170) |
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 #66A992 | 2.74:1 | Fails | Lc -58.2 | Large or bold text, headings |
| Black text on #66A992 | 7.65:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #66A992 text on white | 2.74:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #66A992 text on black | 7.65:1 | AAA | Lc -48.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A3CBBC
oklch(80.9% 0.047 170.3)
-
Step 400
400 (this color)
#66A992
oklch(68.3% 0.077 170)
-
Step 500
500
#409D80
oklch(63.2% 0.099 169.6)
-
Step 600
600
#0E876A
oklch(55.6% 0.107 170.3)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#065D48
oklch(42.7% 0.082 170.2)
-
Step 900
900
#144C3C
oklch(37.6% 0.064 170.1)
-
Step 950
950
#0E2D23
oklch(27% 0.042 169.1)
#66A992 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) | #A6A191 | 0.080 |
| Deuteranopia (no green cones) | #9A9994 | 0.075 |
| Tritanopia (no blue cones) | #52AAA2 | 0.026 |
| Achromatopsia (no color) | #9C9C9C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A992
#66A992
oklch(68.3% 0.077 170)
- #BE86A0
#BE86A0
oklch(68.3% 0.076 349.9)
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 #66A992, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.033
- Tea #65AB7C ΔE 0.034
- Greeny Blue #42B395 ΔE 0.036
- Greeny Grey #7EA07A ΔE 0.039
- Grey Green #86A17D ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.042
- Dusty Green #76A973 ΔE 0.044
- Cadet Blue #5F9EA0 ΔE 0.045
Use #66A992 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.