#639967
Closest named color: Moss (#769958). oklch(63.2% 0.094 146.1), rgb(99, 153, 103).
Aa
Black text reads best on this color (6.28:1).
About this color
#639967 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.094 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.026 away. Black text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #639967 |
| RGB | rgb(99, 153, 103) |
| HSL | hsl(124, 21%, 49%) |
| OKLCH | oklch(63.2% 0.094 146.1) |
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 #639967 | 3.34:1 | AA large text | Lc -66.2 | Content text, not long reading |
| Black text on #639967 | 6.28:1 | AA | Lc 43.3 | Non-text elements, placeholder text |
| #639967 text on white | 3.34:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #639967 text on black | 6.28:1 | AA | Lc -40.9 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDECF
oklch(88.5% 0.026 145.4)
-
Step 300
300
#AEC9AF
oklch(80.9% 0.046 146.1)
-
Step 400
400
#83AD85
oklch(70.6% 0.073 146)
-
Step 500
500 (this color)
#639967
oklch(63.2% 0.094 146.1)
-
Step 600
600
#48834E
oklch(55.6% 0.102 146.3)
-
Step 700
700
#396F3F
oklch(49.1% 0.095 146.3)
-
Step 800
800
#305A34
oklch(42.6% 0.078 146.1)
-
Step 900
900
#2B4A2E
oklch(37.6% 0.06 146.5)
-
Step 950
950
#1A2C1B
oklch(27.2% 0.039 145.7)
#639967 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) | #9B9064 | 0.075 |
| Deuteranopia (no green cones) | #928A6A | 0.073 |
| Tritanopia (no blue cones) | #5C968C | 0.057 |
| Achromatopsia (no color) | #8C8C8C | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #639967
#639967
oklch(63.2% 0.094 146.1)
- #A775A8
#A775A8
oklch(63.1% 0.094 326)
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 #639967, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.026
- Drab Green #749551 ΔE 0.029
- Ocean Green #3D9973 ΔE 0.035
- Green Grey #77926F ΔE 0.035
- Flat Green #699D4C ΔE 0.038
- Muted Green #5FA052 ΔE 0.039
- Slate Green #658D6D ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.041
Use #639967 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.