#669371
Closest named color: Slate Green (#658D6D). oklch(62.1% 0.071 151.5), rgb(102, 147, 113).
Aa
Black text reads best on this color (5.97:1).
About this color
#669371 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.071 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.017 away. Black text reads best on it, at 5.97:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #669371 |
| RGB | rgb(102, 147, 113) |
| HSL | hsl(135, 18%, 49%) |
| OKLCH | oklch(62.1% 0.071 151.5) |
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 #669371 | 3.51:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #669371 | 5.97:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #669371 text on white | 3.51:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #669371 text on black | 5.97:1 | AA | Lc -39.0 | 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
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#B1C7B6
oklch(80.8% 0.034 152.3)
-
Step 400
400
#88AB8F
oklch(70.7% 0.056 150.8)
-
Step 500
500 (this color)
#669371
oklch(62.1% 0.071 151.5)
-
Step 600
600
#50805C
oklch(55.5% 0.077 151.2)
-
Step 700
700
#406C4C
oklch(49% 0.071 151.8)
-
Step 800
800
#35583E
oklch(42.6% 0.059 151.4)
-
Step 900
900
#2F4935
oklch(37.8% 0.047 150.9)
-
Step 950
950
#1C2B1F
oklch(27.1% 0.03 150.2)
#669371 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) | #938C6F | 0.061 |
| Deuteranopia (no green cones) | #8C8773 | 0.060 |
| Tritanopia (no blue cones) | #5F928A | 0.038 |
| Achromatopsia (no color) | #898989 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669371
#669371
oklch(62.1% 0.071 151.5)
- #A0779A
#A0779A
oklch(62.1% 0.071 331.5)
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 #669371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.017
- Green Grey #77926F ΔE 0.020
- Grey Teal #5E9B8A ΔE 0.035
- Ocean Green #3D9973 ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.044
- Drab Green #749551 ΔE 0.045
- Moss #769958 ΔE 0.045
Use #669371 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.