#649171
Closest named color: Slate Green (#658D6D). oklch(61.5% 0.069 153.1), rgb(100, 145, 113).
Aa
Black text reads best on this color (5.83:1).
About this color
#649171 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.069 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.011 away. Black text reads best on it, at 5.83:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.83:1 |
| White text | 3.60:1 |
Values
| HEX | #649171 |
| RGB | rgb(100, 145, 113) |
| HSL | hsl(137, 18%, 48%) |
| OKLCH | oklch(61.5% 0.069 153.1) |
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 #649171 | 3.60:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #649171 | 5.83:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #649171 text on white | 3.60:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #649171 text on black | 5.83:1 | AA | Lc -38.1 | 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
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#B1C7B6
oklch(80.8% 0.034 152.3)
-
Step 400
400
#87AB91
oklch(70.7% 0.054 153.5)
-
Step 500
500 (this color)
#649171
oklch(61.5% 0.069 153.1)
-
Step 600
600
#4F805E
oklch(55.5% 0.075 153.1)
-
Step 700
700
#406C4E
oklch(49% 0.069 153.4)
-
Step 800
800
#355840
oklch(42.6% 0.057 153.4)
-
Step 900
900
#2F4936
oklch(37.8% 0.045 152.2)
-
Step 950
950
#1C2B20
oklch(27.2% 0.029 152.5)
#649171 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) | #918A6F | 0.061 |
| Deuteranopia (no green cones) | #8A8573 | 0.060 |
| Tritanopia (no blue cones) | #5D9088 | 0.035 |
| Achromatopsia (no color) | #878787 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649171
#649171
oklch(61.5% 0.069 153.1)
- #9E7596
#9E7596
oklch(61.4% 0.069 333.4)
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 #649171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.011
- Green Grey #77926F ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.038
- Ocean Green #3D9973 ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.047
- Dark Sage #598556 ΔE 0.048
- Drab Green #749551 ΔE 0.049
Use #649171 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.