#638869
Closest named color: Slate Green (#658D6D). oklch(59% 0.063 149.1), rgb(99, 136, 105).
Aa
Black text reads best on this color (5.25:1).
About this color
#638869 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.063 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.015 away. Black text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #638869 |
| RGB | rgb(99, 136, 105) |
| HSL | hsl(130, 16%, 46%) |
| OKLCH | oklch(59% 0.063 149.1) |
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 #638869 | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #638869 | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #638869 text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #638869 text on black | 5.25:1 | AA | Lc -34.4 | 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 600.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD4
oklch(88.5% 0.015 151.7)
-
Step 300
300
#B5C6B7
oklch(80.9% 0.028 148.8)
-
Step 400
400
#8EA992
oklch(70.8% 0.045 149.3)
-
Step 500
500
#719477
oklch(63.2% 0.058 149.6)
-
Step 600
600 (this color)
#638869
oklch(59% 0.063 149.1)
-
Step 700
700
#496A4F
oklch(49.1% 0.058 149.5)
-
Step 800
800
#3C5741
oklch(42.8% 0.049 149.7)
-
Step 900
900
#344737
oklch(37.7% 0.036 149.1)
-
Step 950
950
#1E2A20
oklch(27% 0.025 149.5)
#638869 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) | #898267 | 0.053 |
| Deuteranopia (no green cones) | #837E6B | 0.052 |
| Tritanopia (no blue cones) | #5E867F | 0.035 |
| Achromatopsia (no color) | #7F7F7F | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #638869
#638869
oklch(59% 0.063 149.1)
- #937090
#937090
oklch(59% 0.063 329.2)
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 #638869, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.015
- Dark Sage #598556 ΔE 0.030
- Green Grey #77926F ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.053
- Ocean Green #3D9973 ΔE 0.054
- Drab #828344 ΔE 0.055
- Military Green #667C3E ΔE 0.056
Use #638869 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.