#669C74
Closest named color: Green Grey (#77926F). oklch(64.4% 0.083 151.7), rgb(102, 156, 116).
Aa
Black text reads best on this color (6.57:1).
About this color
#669C74 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.083 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Grey (#77926F), ΔE 0.032 away. Black text reads best on it, at 6.57:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Green Grey (#77926F) |
| Black text | 6.57:1 |
| White text | 3.19:1 |
Values
| HEX | #669C74 |
| RGB | rgb(102, 156, 116) |
| HSL | hsl(136, 21%, 51%) |
| OKLCH | oklch(64.4% 0.083 151.7) |
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 #669C74 | 3.19:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #669C74 | 6.57:1 | AA | Lc 45.0 | Large or bold text, headings |
| #669C74 text on white | 3.19:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #669C74 text on black | 6.57:1 | AA | Lc -42.7 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AEC9B4
oklch(81% 0.041 152)
-
Step 400
400
#83AD8D
oklch(70.8% 0.065 151.8)
-
Step 500
500 (this color)
#669C74
oklch(64.4% 0.083 151.7)
-
Step 600
600
#488258
oklch(55.5% 0.09 151.4)
-
Step 700
700
#396E48
oklch(49% 0.084 151.4)
-
Step 800
800
#2F5A3C
oklch(42.7% 0.07 152.2)
-
Step 900
900
#2B4A33
oklch(37.8% 0.054 151.3)
-
Step 950
950
#192B1E
oklch(26.9% 0.034 152.4)
#669C74 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) | #9C9372 | 0.072 |
| Deuteranopia (no green cones) | #948E76 | 0.070 |
| Tritanopia (no blue cones) | #5D9A91 | 0.044 |
| Achromatopsia (no color) | #909090 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669C74
#669C74
oklch(64.4% 0.083 151.7)
- #AB7BA4
#AB7BA4
oklch(64.4% 0.082 331.6)
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 #669C74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Grey #77926F ΔE 0.032
- Grey Teal #5E9B8A ΔE 0.033
- Greeny Grey #7EA07A ΔE 0.033
- Moss #769958 ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.037
- Ocean Green #3D9973 ΔE 0.040
- Tea #65AB7C ΔE 0.042
- Drab Green #749551 ΔE 0.042
Use #669C74 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.