#669F58
Closest named color: Muted Green (#5FA052). oklch(64.5% 0.118 139.6), rgb(102, 159, 88).
Aa
Black text reads best on this color (6.66:1).
About this color
#669F58 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.118 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.012 away. Black text reads best on it, at 6.66:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #669F58 |
| RGB | rgb(102, 159, 88) |
| HSL | hsl(108, 29%, 48%) |
| OKLCH | oklch(64.5% 0.118 139.6) |
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 #669F58 | 3.15:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #669F58 | 6.66:1 | AA | Lc 45.6 | Large or bold text, headings |
| #669F58 text on white | 3.15:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #669F58 text on black | 6.66:1 | 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
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CFDFCB
oklch(88.6% 0.032 139.4)
-
Step 300
300
#AECAA7
oklch(80.9% 0.057 139.4)
-
Step 400
400
#82AF77
oklch(70.7% 0.093 139.6)
-
Step 500
500 (this color)
#669F58
oklch(64.5% 0.118 139.6)
-
Step 600
600
#478537
oklch(55.7% 0.129 139.6)
-
Step 700
700
#38702A
oklch(49% 0.118 139.7)
-
Step 800
800
#2F5C24
oklch(42.8% 0.099 139.8)
-
Step 900
900
#2A4B22
oklch(37.6% 0.077 139.7)
-
Step 950
950
#192C15
oklch(27% 0.048 140.2)
#669F58 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) | #A39453 | 0.083 |
| Deuteranopia (no green cones) | #9A8F5C | 0.081 |
| Tritanopia (no blue cones) | #629B8E | 0.079 |
| Achromatopsia (no color) | #919191 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669F58
#669F58
oklch(64.5% 0.118 139.6)
- #AD75BB
#AD75BB
oklch(64.5% 0.119 319.4)
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 #669F58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.012
- Flat Green #699D4C ΔE 0.013
- Off Green #6BA353 ΔE 0.016
- Moss #769958 ΔE 0.024
- Dull Green #74A662 ΔE 0.029
- Drab Green #749551 ΔE 0.030
- Fern #63A950 ΔE 0.033
- Algae #54AC68 ΔE 0.037
Use #669F58 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.