#669A71
Closest named color: Green Grey (#77926F). oklch(63.8% 0.083 150.2), rgb(102, 154, 113).
Aa
Black text reads best on this color (6.42:1).
About this color
#669A71 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.083 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Grey (#77926F), ΔE 0.028 away. Black text reads best on it, at 6.42:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Green Grey (#77926F) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #669A71 |
| RGB | rgb(102, 154, 113) |
| HSL | hsl(133, 20%, 50%) |
| OKLCH | oklch(63.8% 0.083 150.2) |
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 #669A71 | 3.26:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #669A71 | 6.42:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #669A71 text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #669A71 text on black | 6.42:1 | AA | Lc -41.8 | Non-text elements, placeholder text |
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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AFC8B3
oklch(80.8% 0.04 149.9)
-
Step 400
400
#84AC8C
oklch(70.6% 0.063 150.6)
-
Step 500
500 (this color)
#669A71
oklch(63.8% 0.083 150.2)
-
Step 600
600
#4A8257
oklch(55.6% 0.089 150.1)
-
Step 700
700
#3B6E47
oklch(49.1% 0.083 150)
-
Step 800
800
#315A3A
oklch(42.8% 0.07 149.7)
-
Step 900
900
#2C4A32
oklch(37.8% 0.054 149.6)
-
Step 950
950
#1A2B1E
oklch(27% 0.033 151.1)
#669A71 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) | #9B926F | 0.071 |
| Deuteranopia (no green cones) | #928C73 | 0.068 |
| Tritanopia (no blue cones) | #5E988F | 0.046 |
| Achromatopsia (no color) | #8E8E8E | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669A71
#669A71
oklch(63.8% 0.083 150.2)
- #A979A3
#A979A3
oklch(63.8% 0.083 330.9)
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 #669A71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Grey #77926F ΔE 0.028
- Moss #769958 ΔE 0.033
- Grey Teal #5E9B8A ΔE 0.035
- Greeny Grey #7EA07A ΔE 0.037
- Ocean Green #3D9973 ΔE 0.037
- Slate Green #658D6D ΔE 0.038
- Drab Green #749551 ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.040
Use #669A71 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.