#66A67F
Closest named color: Tea (#65AB7C). oklch(67.1% 0.088 156.3), rgb(102, 166, 127).
Aa
Black text reads best on this color (7.32:1).
About this color
#66A67F is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.088 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.017 away. Black text reads best on it, at 7.32:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.32:1 |
| White text | 2.86:1 |
Values
| HEX | #66A67F |
| RGB | rgb(102, 166, 127) |
| HSL | hsl(143, 26%, 53%) |
| OKLCH | oklch(67.1% 0.088 156.3) |
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 #66A67F | 2.86:1 | Fails | Lc -60.0 | Content text, not long reading |
| Black text on #66A67F | 7.32:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #66A67F text on white | 2.86:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #66A67F text on black | 7.32:1 | AAA | Lc -47.1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0D1
oklch(88.6% 0.031 155.9)
-
Step 300
300
#A4CCB2
oklch(80.9% 0.056 156.4)
-
Step 400
400 (this color)
#66A67F
oklch(67.1% 0.088 156.3)
-
Step 500
500
#479E6D
oklch(63.2% 0.113 156.3)
-
Step 600
600
#1F8854
oklch(55.6% 0.123 156.2)
-
Step 700
700
#0D7345
oklch(49% 0.113 156.6)
-
Step 800
800
#125E39
oklch(42.7% 0.094 156.5)
-
Step 900
900
#194D31
oklch(37.7% 0.073 156.4)
-
Step 950
950
#102D1D
oklch(26.9% 0.046 157)
#66A67F 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) | #A59D7D | 0.081 |
| Deuteranopia (no green cones) | #9B9681 | 0.078 |
| Tritanopia (no blue cones) | #59A59B | 0.042 |
| Achromatopsia (no color) | #999999 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A67F
#66A67F
oklch(67.1% 0.088 156.3)
- #B881AA
#B881AA
oklch(67.1% 0.087 336.1)
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 #66A67F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.017
- Dusty Green #76A973 ΔE 0.026
- Greeny Grey #7EA07A ΔE 0.029
- Grey Green #86A17D ΔE 0.037
- Dull Green #74A662 ΔE 0.038
- Dull Teal #5F9E8F ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.042
- Greeny Blue #42B395 ΔE 0.043
Use #66A67F 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.