#66A67A
Closest named color: Tea (#65AB7C). oklch(67% 0.093 153.2), rgb(102, 166, 122).
Aa
Black text reads best on this color (7.30:1).
About this color
#66A67A is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.093 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.014 away. Black text reads best on it, at 7.30:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #66A67A |
| RGB | rgb(102, 166, 122) |
| HSL | hsl(139, 26%, 53%) |
| OKLCH | oklch(67% 0.093 153.2) |
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 #66A67A | 2.87:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #66A67A | 7.30:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #66A67A text on white | 2.87:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #66A67A text on black | 7.30:1 | AAA | Lc -46.9 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400 (this color)
#66A67A
oklch(67% 0.093 153.2)
-
Step 500
500
#479E66
oklch(63.1% 0.12 153.1)
-
Step 600
600
#21884D
oklch(55.5% 0.129 153.1)
-
Step 700
700
#0F743E
oklch(49.2% 0.121 153)
-
Step 800
800
#135E34
oklch(42.7% 0.099 153.5)
-
Step 900
900
#194D2D
oklch(37.6% 0.078 153.3)
-
Step 950
950
#112D1B
oklch(26.9% 0.048 153.5)
#66A67A 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) | #A69C77 | 0.083 |
| Deuteranopia (no green cones) | #9C967D | 0.080 |
| Tritanopia (no blue cones) | #5AA49A | 0.048 |
| Achromatopsia (no color) | #989898 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A67A
#66A67A
oklch(67% 0.093 153.2)
- #B87FAE
#B87FAE
oklch(66.9% 0.094 333)
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 #66A67A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.014
- Dusty Green #76A973 ΔE 0.022
- Greeny Grey #7EA07A ΔE 0.031
- Dull Green #74A662 ΔE 0.032
- Algae #54AC68 ΔE 0.039
- Grey Green #86A17D ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.044
Use #66A67A 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.