#648577
Closest named color: Slate Green (#658D6D). oklch(58.7% 0.043 167), rgb(100, 133, 119).
Aa
Black text reads best on this color (5.16:1).
About this color
#648577 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.043 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.032 away. Black text reads best on it, at 5.16:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #648577 |
| RGB | rgb(100, 133, 119) |
| HSL | hsl(155, 14%, 46%) |
| OKLCH | oklch(58.7% 0.043 167) |
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 #648577 | 4.06:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #648577 | 5.16:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #648577 text on white | 4.06:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #648577 text on black | 5.16:1 | AA | Lc -33.8 | 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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D3DBD7
oklch(88.4% 0.01 164.8)
-
Step 300
300
#B5C5BE
oklch(80.9% 0.02 167.8)
-
Step 400
400
#8FA79C
oklch(70.7% 0.031 166.1)
-
Step 500
500
#739284
oklch(63.2% 0.041 165.8)
-
Step 600
600 (this color)
#648577
oklch(58.7% 0.043 167)
-
Step 700
700
#4B685C
oklch(49.1% 0.039 167.3)
-
Step 800
800
#3D554B
oklch(42.7% 0.034 167.2)
-
Step 900
900
#35463F
oklch(37.7% 0.025 167.9)
-
Step 950
950
#1F2925
oklch(27% 0.016 168.8)
#648577 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) | #838076 | 0.043 |
| Deuteranopia (no green cones) | #7D7C78 | 0.042 |
| Tritanopia (no blue cones) | #5D8581 | 0.016 |
| Achromatopsia (no color) | #7E7E7E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648577
#648577
oklch(58.7% 0.043 167)
- #907281
#907281
oklch(58.6% 0.043 347)
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 #648577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.037
- Steel Grey #6F828A ΔE 0.037
- Medium Grey #7D7F7C ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.041
- Gray #808080 ΔE 0.045
- Grey Blue #647D8E ΔE 0.049
- Slate Gray #708090 ΔE 0.049
Use #648577 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.