#669B53
Closest named color: Flat Green (#699D4C). oklch(63.5% 0.117 137.9), rgb(102, 155, 83).
Aa
Black text reads best on this color (6.37:1).
About this color
#669B53 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.117 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.011 away. Black text reads best on it, at 6.37:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #669B53 |
| RGB | rgb(102, 155, 83) |
| HSL | hsl(104, 30%, 47%) |
| OKLCH | oklch(63.5% 0.117 137.9) |
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 #669B53 | 3.29:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #669B53 | 6.37:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #669B53 text on white | 3.29:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #669B53 text on black | 6.37:1 | AA | Lc -41.5 | 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
#E5EDE2
oklch(93.7% 0.017 137)
-
Step 200
200
#CFDECA
oklch(88.4% 0.031 137.8)
-
Step 300
300
#AFCAA6
oklch(80.9% 0.058 137.9)
-
Step 400
400
#84AE76
oklch(70.6% 0.091 138)
-
Step 500
500 (this color)
#669B53
oklch(63.5% 0.117 137.9)
-
Step 600
600
#4B8435
oklch(55.6% 0.127 137.9)
-
Step 700
700
#3C7027
oklch(49.2% 0.119 137.8)
-
Step 800
800
#325B22
oklch(42.7% 0.098 137.9)
-
Step 900
900
#2C4B21
oklch(37.7% 0.077 138.1)
-
Step 950
950
#1A2C14
oklch(27% 0.049 138.2)
#669B53 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) | #9F914D | 0.077 |
| Deuteranopia (no green cones) | #978C57 | 0.077 |
| Tritanopia (no blue cones) | #64978A | 0.080 |
| Achromatopsia (no color) | #8E8E8E | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B53
#669B53
oklch(63.5% 0.117 137.9)
- #A873B8
#A873B8
oklch(63.5% 0.116 318.2)
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 #669B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.011
- Muted Green #5FA052 ΔE 0.016
- Moss #769958 ΔE 0.022
- Drab Green #749551 ΔE 0.022
- Off Green #6BA353 ΔE 0.025
- Dull Green #74A662 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.041
- Fern #63A950 ΔE 0.042
Use #669B53 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.