#669E63
Closest named color: Moss (#769958). oklch(64.5% 0.104 143.1), rgb(102, 158, 99).
Aa
Black text reads best on this color (6.63:1).
About this color
#669E63 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.104 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.021 away. Black text reads best on it, at 6.63:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #669E63 |
| RGB | rgb(102, 158, 99) |
| HSL | hsl(117, 23%, 50%) |
| OKLCH | oklch(64.5% 0.104 143.1) |
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 #669E63 | 3.16:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #669E63 | 6.63:1 | AA | Lc 45.4 | Large or bold text, headings |
| #669E63 text on white | 3.16:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #669E63 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CFDECD
oklch(88.5% 0.028 142)
-
Step 300
300
#AECAAC
oklch(81% 0.051 143.3)
-
Step 400
400
#82AE7F
oklch(70.6% 0.082 143.1)
-
Step 500
500 (this color)
#669E63
oklch(64.5% 0.104 143.1)
-
Step 600
600
#478445
oklch(55.6% 0.114 143.2)
-
Step 700
700
#387036
oklch(49.2% 0.107 143.1)
-
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
#192C18
oklch(27% 0.044 143.1)
#669E63 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) | #A1945F | 0.079 |
| Deuteranopia (no green cones) | #988F66 | 0.076 |
| Tritanopia (no blue cones) | #619B8F | 0.065 |
| Achromatopsia (no color) | #919191 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669E63
#669E63
oklch(64.5% 0.104 143.1)
- #AC77B2
#AC77B2
oklch(64.4% 0.104 323.2)
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 #669E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.021
- Muted Green #5FA052 ΔE 0.026
- Flat Green #699D4C ΔE 0.026
- Off Green #6BA353 ΔE 0.028
- Drab Green #749551 ΔE 0.029
- Dull Green #74A662 ΔE 0.030
- Algae #54AC68 ΔE 0.040
- Dusty Green #76A973 ΔE 0.041
Use #669E63 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.