#669D50
Closest named color: Flat Green (#699D4C). oklch(63.9% 0.123 137.4), rgb(102, 157, 80).
Aa
Black text reads best on this color (6.50:1).
About this color
#669D50 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.123 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.005 away. Black text reads best on it, at 6.50:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #669D50 |
| RGB | rgb(102, 157, 80) |
| HSL | hsl(103, 32%, 46%) |
| OKLCH | oklch(63.9% 0.123 137.4) |
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 #669D50 | 3.22:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #669D50 | 6.50:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #669D50 text on white | 3.22:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #669D50 text on black | 6.50:1 | AA | Lc -42.3 | 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
#CFDFC9
oklch(88.6% 0.034 137.1)
-
Step 300
300
#AECAA4
oklch(80.8% 0.06 137.5)
-
Step 400
400
#84AF73
oklch(70.8% 0.096 137.1)
-
Step 500
500 (this color)
#669D50
oklch(63.9% 0.123 137.4)
-
Step 600
600
#4A852F
oklch(55.7% 0.134 137.2)
-
Step 700
700
#3B7022
oklch(49.1% 0.124 137.3)
-
Step 800
800
#315B1E
oklch(42.6% 0.102 137.3)
-
Step 900
900
#2B4B1E
oklch(37.6% 0.081 137.5)
-
Step 950
950
#1A2C13
oklch(27% 0.05 137.5)
#669D50 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) | #A1924A | 0.081 |
| Deuteranopia (no green cones) | #998D55 | 0.081 |
| Tritanopia (no blue cones) | #64988B | 0.086 |
| Achromatopsia (no color) | #8F8F8F | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669D50
#669D50
oklch(63.9% 0.123 137.4)
- #AA73BD
#AA73BD
oklch(64% 0.123 317.1)
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 #669D50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.005
- Muted Green #5FA052 ΔE 0.010
- Off Green #6BA353 ΔE 0.019
- Moss #769958 ΔE 0.026
- Drab Green #749551 ΔE 0.028
- Fern #63A950 ΔE 0.035
- Dull Green #74A662 ΔE 0.036
- Mid Green #50A747 ΔE 0.039
Use #669D50 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.