#669F5C
Closest named color: Muted Green (#5FA052). oklch(64.6% 0.113 140.8), rgb(102, 159, 92).
Aa
Black text reads best on this color (6.67:1).
About this color
#669F5C is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.113 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.016 away. Black text reads best on it, at 6.67:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.67:1 |
| White text | 3.14:1 |
Values
| HEX | #669F5C |
| RGB | rgb(102, 159, 92) |
| HSL | hsl(111, 27%, 49%) |
| OKLCH | oklch(64.6% 0.113 140.8) |
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 #669F5C | 3.14:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #669F5C | 6.67:1 | AA | Lc 45.7 | Large or bold text, headings |
| #669F5C text on white | 3.14:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #669F5C text on black | 6.67:1 | AA | Lc -43.3 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CFDFCC
oklch(88.6% 0.031 140.7)
-
Step 300
300
#AECAA9
oklch(80.9% 0.055 140.9)
-
Step 400
400
#82AF7A
oklch(70.8% 0.09 140.8)
-
Step 500
500 (this color)
#669F5C
oklch(64.6% 0.113 140.8)
-
Step 600
600
#47853C
oklch(55.7% 0.124 140.7)
-
Step 700
700
#38702E
oklch(49.1% 0.115 140.7)
-
Step 800
800
#2F5B27
oklch(42.6% 0.095 140.7)
-
Step 900
900
#2A4B24
oklch(37.7% 0.074 140.6)
-
Step 950
950
#192C16
oklch(27% 0.047 141.1)
#669F5C 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) | #A29557 | 0.080 |
| Deuteranopia (no green cones) | #9A8F60 | 0.081 |
| Tritanopia (no blue cones) | #629B8F | 0.075 |
| Achromatopsia (no color) | #919191 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669F5C
#669F5C
oklch(64.6% 0.113 140.8)
- #AD76B8
#AD76B8
oklch(64.6% 0.113 320.7)
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 #669F5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.016
- Flat Green #699D4C ΔE 0.017
- Off Green #6BA353 ΔE 0.019
- Moss #769958 ΔE 0.023
- Dull Green #74A662 ΔE 0.027
- Drab Green #749551 ΔE 0.029
- Fern #63A950 ΔE 0.036
- Algae #54AC68 ΔE 0.036
Use #669F5C 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.