#648F73
Closest named color: Slate Green (#658D6D). oklch(61% 0.064 155.5), rgb(100, 143, 115).
Aa
Black text reads best on this color (5.71:1).
About this color
#648F73 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.064 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.009 away. Black text reads best on it, at 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #648F73 |
| RGB | rgb(100, 143, 115) |
| HSL | hsl(141, 18%, 48%) |
| OKLCH | oklch(61% 0.064 155.5) |
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 #648F73 | 3.67:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #648F73 | 5.71:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #648F73 text on white | 3.67:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #648F73 text on black | 5.71:1 | AA | Lc -37.4 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B1C7B8
oklch(80.9% 0.032 155.8)
-
Step 400
400
#88AA93
oklch(70.6% 0.05 155.3)
-
Step 500
500 (this color)
#648F73
oklch(61% 0.064 155.5)
-
Step 600
600
#518062
oklch(55.7% 0.07 155.4)
-
Step 700
700
#416C51
oklch(49.2% 0.065 155.6)
-
Step 800
800
#365842
oklch(42.7% 0.054 155)
-
Step 900
900
#2F4838
oklch(37.6% 0.041 155.8)
-
Step 950
950
#1C2A21
oklch(26.9% 0.025 156.1)
#648F73 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) | #8F8871 | 0.059 |
| Deuteranopia (no green cones) | #878375 | 0.057 |
| Tritanopia (no blue cones) | #5D8E87 | 0.031 |
| Achromatopsia (no color) | #858585 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648F73
#648F73
oklch(61% 0.064 155.5)
- #9C7592
#9C7592
oklch(61% 0.063 335.8)
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 #648F73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.009
- Green Grey #77926F ΔE 0.026
- Dusty Teal #4C9085 ΔE 0.032
- Grey Teal #5E9B8A ΔE 0.039
- Ocean Green #3D9973 ΔE 0.044
- Dark Sage #598556 ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.049
- Sea #3C9992 ΔE 0.051
Use #648F73 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.