#669F87
Closest named color: Dull Teal (#5F9E8F). oklch(65.6% 0.07 165.9), rgb(102, 159, 135).
Aa
Black text reads best on this color (6.87:1).
About this color
#669F87 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.070 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.014 away. Black text reads best on it, at 6.87:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #669F87 |
| RGB | rgb(102, 159, 135) |
| HSL | hsl(155, 23%, 51%) |
| OKLCH | oklch(65.6% 0.07 165.9) |
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 #669F87 | 3.05:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #669F87 | 6.87:1 | AA | Lc 46.7 | Large or bold text, headings |
| #669F87 text on white | 3.05:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #669F87 text on black | 6.87:1 | AA | Lc -44.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BB
oklch(80.9% 0.034 164.9)
-
Step 400
400
#80AC99
oklch(70.7% 0.055 166.4)
-
Step 500
500 (this color)
#669F87
oklch(65.6% 0.07 165.9)
-
Step 600
600
#438269
oklch(55.7% 0.077 165.8)
-
Step 700
700
#346E57
oklch(49.2% 0.072 165.4)
-
Step 800
800
#2C5947
oklch(42.6% 0.059 165.6)
-
Step 900
900
#28493C
oklch(37.6% 0.045 166.8)
-
Step 950
950
#182B23
oklch(27% 0.029 165.8)
#669F87 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) | #9D9886 | 0.071 |
| Deuteranopia (no green cones) | #939188 | 0.067 |
| Tritanopia (no blue cones) | #589F98 | 0.027 |
| Achromatopsia (no color) | #939393 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669F87
#669F87
oklch(65.6% 0.07 165.9)
- #B1809A
#B1809A
oklch(65.6% 0.07 346.1)
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 #669F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.014
- Grey Teal #5E9B8A ΔE 0.017
- Greeny Grey #7EA07A ΔE 0.032
- Cadet Blue #5F9EA0 ΔE 0.038
- Grey Green #86A17D ΔE 0.040
- Green Grey #77926F ΔE 0.042
- Tea #65AB7C ΔE 0.043
- Sea #3C9992 ΔE 0.046
Use #669F87 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.