#669D2A
Closest named color: Flat Green (#699D4C). oklch(63.5% 0.155 131.9), rgb(102, 157, 42).
Aa
Black text reads best on this color (6.42:1).
About this color
#669D2A is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.155 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.032 away. Black text reads best on it, at 6.42:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.42:1 |
| White text | 3.27:1 |
Values
| HEX | #669D2A |
| RGB | rgb(102, 157, 42) |
| HSL | hsl(89, 58%, 39%) |
| OKLCH | oklch(63.5% 0.155 131.9) |
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 #669D2A | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #669D2A | 6.42:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #669D2A text on white | 3.27:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #669D2A text on black | 6.42:1 | AA | Lc -41.9 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDE
oklch(93.5% 0.022 132.5)
-
Step 200
200
#CFDFC3
oklch(88.4% 0.041 131.7)
-
Step 300
300
#AFCB99
oklch(80.8% 0.075 131.7)
-
Step 400
400
#84B05E
oklch(70.6% 0.121 131.9)
-
Step 500
500 (this color)
#669D2A
oklch(63.5% 0.155 131.9)
-
Step 600
600
#4F8500
oklch(55.7% 0.155 132.1)
-
Step 700
700
#426F00
oklch(49% 0.136 131.8)
-
Step 800
800
#355B00
oklch(42.6% 0.118 131.9)
-
Step 900
900
#2C4C04
oklch(37.7% 0.102 132.1)
-
Step 950
950
#1A2D07
oklch(27.1% 0.065 132.3)
#669D2A 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) | #A49115 | 0.085 |
| Deuteranopia (no green cones) | #9C8D35 | 0.086 |
| Tritanopia (no blue cones) | #679687 | 0.118 |
| Achromatopsia (no color) | #8E8E8E | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669D2A
#669D2A
oklch(63.5% 0.155 131.9)
- #AA6BCE
#AA6BCE
oklch(63.5% 0.156 312.1)
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 #669D2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.032
- Mid Green #50A747 ΔE 0.032
- Muted Green #5FA052 ΔE 0.034
- Dark Yellow Green #728F02 ΔE 0.038
- Off Green #6BA353 ΔE 0.039
- Fern #63A950 ΔE 0.040
- Leaf #71AA34 ΔE 0.040
- Olive Drab #6B8E23 ΔE 0.042
Use #669D2A 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.