#66AA8D
Closest named color: Tea (#65AB7C). oklch(68.4% 0.082 165.1), rgb(102, 170, 141).
Aa
Black text reads best on this color (7.69:1).
About this color
#66AA8D is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.082 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.025 away. Black text reads best on it, at 7.69:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #66AA8D |
| RGB | rgb(102, 170, 141) |
| HSL | hsl(154, 29%, 53%) |
| OKLCH | oklch(68.4% 0.082 165.1) |
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 #66AA8D | 2.72:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #66AA8D | 7.69:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #66AA8D text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #66AA8D text on black | 7.69:1 | AAA | Lc -49.2 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE7
oklch(93.5% 0.015 164.7)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A2CCB8
oklch(80.9% 0.053 164.5)
-
Step 400
400 (this color)
#66AA8D
oklch(68.4% 0.082 165.1)
-
Step 500
500
#3F9D7A
oklch(63% 0.104 165.6)
-
Step 600
600
#0C8862
oklch(55.6% 0.115 164.7)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#055E43
oklch(42.8% 0.088 165.1)
-
Step 900
900
#144D38
oklch(37.7% 0.069 164.5)
-
Step 950
950
#0E2D21
oklch(27% 0.043 165.1)
#66AA8D 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) | #A7A18C | 0.082 |
| Deuteranopia (no green cones) | #9C998F | 0.079 |
| Tritanopia (no blue cones) | #54AAA2 | 0.032 |
| Achromatopsia (no color) | #9D9D9D | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66AA8D
#66AA8D
oklch(68.4% 0.082 165.1)
- #BF85A5
#BF85A5
oklch(68.4% 0.083 345.3)
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 #66AA8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.025
- Greeny Blue #42B395 ΔE 0.033
- Dusty Green #76A973 ΔE 0.036
- Greeny Grey #7EA07A ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.038
- Grey Green #86A17D ΔE 0.040
- Grey Teal #5E9B8A ΔE 0.045
- Faded Green #7BB274 ΔE 0.051
Use #66AA8D 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.