#669B80
Closest named color: Grey Teal (#5E9B8A). oklch(64.4% 0.07 161.4), rgb(102, 155, 128).
Aa
Black text reads best on this color (6.56:1).
About this color
#669B80 is a medium-light, muted green. In OKLCH its lightness is 64%, its chroma 0.070 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.016 away. Black text reads best on it, at 6.56:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.56:1 |
| White text | 3.19:1 |
Values
| HEX | #669B80 |
| RGB | rgb(102, 155, 128) |
| HSL | hsl(149, 21%, 50%) |
| OKLCH | oklch(64.4% 0.07 161.4) |
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 #669B80 | 3.19:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #669B80 | 6.56:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #669B80 text on white | 3.19:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #669B80 text on black | 6.56:1 | AA | Lc -42.6 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD5
oklch(88.5% 0.019 161.1)
-
Step 300
300
#AEC8BA
oklch(80.9% 0.034 162.1)
-
Step 400
400
#83AC96
oklch(70.8% 0.055 161.2)
-
Step 500
500 (this color)
#669B80
oklch(64.4% 0.07 161.4)
-
Step 600
600
#478165
oklch(55.5% 0.076 161.6)
-
Step 700
700
#386D54
oklch(49% 0.07 161.8)
-
Step 800
800
#2F5945
oklch(42.7% 0.058 161.9)
-
Step 900
900
#2A493A
oklch(37.6% 0.045 162.2)
-
Step 950
950
#192B22
oklch(27% 0.029 161.9)
#669B80 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) | #9A947F | 0.068 |
| Deuteranopia (no green cones) | #918D82 | 0.066 |
| Tritanopia (no blue cones) | #5A9B93 | 0.029 |
| Achromatopsia (no color) | #909090 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B80
#669B80
oklch(64.4% 0.07 161.4)
- #AB7D9A
#AB7D9A
oklch(64.4% 0.069 341)
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 #669B80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.016
- Dull Teal #5F9E8F ΔE 0.021
- Green Grey #77926F ΔE 0.031
- Greeny Grey #7EA07A ΔE 0.034
- Slate Green #658D6D ΔE 0.042
- Grey Green #86A17D ΔE 0.044
- Sea #3C9992 ΔE 0.044
- Cadet Blue #5F9EA0 ΔE 0.045
Use #669B80 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.