#669E64
Closest named color: Moss (#769958). oklch(64.5% 0.103 143.5), rgb(102, 158, 100).
Aa
Black text reads best on this color (6.63:1).
About this color
#669E64 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.103 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.022 away. Black text reads best on it, at 6.63:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #669E64 |
| RGB | rgb(102, 158, 100) |
| HSL | hsl(118, 23%, 51%) |
| OKLCH | oklch(64.5% 0.103 143.5) |
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 #669E64 | 3.16:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #669E64 | 6.63:1 | AA | Lc 45.4 | Large or bold text, headings |
| #669E64 text on white | 3.16:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #669E64 text on black | 6.63:1 | AA | Lc -43.1 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AECAAC
oklch(81% 0.051 143.3)
-
Step 400
400
#82AE80
oklch(70.7% 0.081 143.6)
-
Step 500
500 (this color)
#669E64
oklch(64.5% 0.103 143.5)
-
Step 600
600
#478446
oklch(55.6% 0.113 143.6)
-
Step 700
700
#387037
oklch(49.2% 0.106 143.4)
-
Step 800
800
#2F5B2E
oklch(42.7% 0.087 143.4)
-
Step 900
900
#2A4B29
oklch(37.8% 0.069 143.4)
-
Step 950
950
#192C19
oklch(27% 0.043 144.3)
#669E64 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) | #A19460 | 0.079 |
| Deuteranopia (no green cones) | #988F67 | 0.076 |
| Tritanopia (no blue cones) | #609B8F | 0.064 |
| Achromatopsia (no color) | #919191 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669E64
#669E64
oklch(64.5% 0.103 143.5)
- #AC78B2
#AC78B2
oklch(64.5% 0.103 323.1)
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 #669E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.022
- Muted Green #5FA052 ΔE 0.027
- Flat Green #699D4C ΔE 0.028
- Off Green #6BA353 ΔE 0.029
- Drab Green #749551 ΔE 0.029
- Dull Green #74A662 ΔE 0.030
- Dusty Green #76A973 ΔE 0.040
- Algae #54AC68 ΔE 0.041
Use #669E64 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.