#66A486
Closest named color: Dull Teal (#5F9E8F). oklch(66.8% 0.079 162.3), rgb(102, 164, 134).
Aa
Black text reads best on this color (7.21:1).
About this color
#66A486 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.079 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.026 away. Black text reads best on it, at 7.21:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.21:1 |
| White text | 2.90:1 |
Values
| HEX | #66A486 |
| RGB | rgb(102, 164, 134) |
| HSL | hsl(151, 25%, 52%) |
| OKLCH | oklch(66.8% 0.079 162.3) |
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 #66A486 | 2.90:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #66A486 | 7.21:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #66A486 text on white | 2.90:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #66A486 text on black | 7.21:1 | AAA | Lc -46.5 | 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 500.
-
Step 50
50
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ABC9B9
oklch(80.9% 0.039 162.2)
-
Step 400
400
#7EAD95
oklch(70.7% 0.061 162.1)
-
Step 500
500 (this color)
#66A486
oklch(66.8% 0.079 162.3)
-
Step 600
600
#3E8364
oklch(55.6% 0.086 162.3)
-
Step 700
700
#306F53
oklch(49.2% 0.08 162.1)
-
Step 800
800
#295A44
oklch(42.6% 0.065 162.4)
-
Step 900
900
#264A39
oklch(37.6% 0.051 162.1)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#66A486 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) | #A29C84 | 0.076 |
| Deuteranopia (no green cones) | #989488 | 0.075 |
| Tritanopia (no blue cones) | #57A49B | 0.032 |
| Achromatopsia (no color) | #979797 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A486
#66A486
oklch(66.8% 0.079 162.3)
- #B781A2
#B781A2
oklch(66.7% 0.08 342.2)
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 #66A486, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.026
- Greeny Grey #7EA07A ΔE 0.028
- Tea #65AB7C ΔE 0.029
- Grey Teal #5E9B8A ΔE 0.031
- Grey Green #86A17D ΔE 0.036
- Dusty Green #76A973 ΔE 0.037
- Greeny Blue #42B395 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.047
Use #66A486 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.