#667663
Closest named color: Grey Brown (#7F7053). oklch(54.7% 0.035 140.7), rgb(102, 118, 99).
Aa
White text reads best on this color (4.84:1).
About this color
#667663 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.035 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.040 away. White text reads best on it, at 4.84:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #667663 |
| RGB | rgb(102, 118, 99) |
| HSL | hsl(111, 9%, 43%) |
| OKLCH | oklch(54.7% 0.035 140.7) |
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 #667663 | 4.84:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #667663 | 4.33:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #667663 text on white | 4.84:1 | AA | Lc 73.6 | Content text, not long reading |
| #667663 text on black | 4.33:1 | AA large text | Lc -28.1 | Dividers and decoration only |
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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D6DBD5
oklch(88.6% 0.01 140.5)
-
Step 300
300
#BBC3BA
oklch(80.8% 0.015 142.2)
-
Step 400
400
#98A596
oklch(70.7% 0.026 141.5)
-
Step 500
500
#7F8F7C
oklch(63.2% 0.034 140.7)
-
Step 600
600 (this color)
#667663
oklch(54.7% 0.035 140.7)
-
Step 700
700
#576654
oklch(49.2% 0.034 140.4)
-
Step 800
800
#475345
oklch(42.7% 0.027 141.1)
-
Step 900
900
#3C443A
oklch(37.6% 0.02 139.4)
-
Step 950
950
#232822
oklch(27% 0.013 140.5)
#667663 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) | #777362 | 0.025 |
| Deuteranopia (no green cones) | #757164 | 0.026 |
| Tritanopia (no blue cones) | #657571 | 0.023 |
| Achromatopsia (no color) | #727272 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #667663
#667663
oklch(54.7% 0.035 140.7)
- #7A6A7D
#7A6A7D
oklch(54.6% 0.035 320.9)
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 #667663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.040
- Battleship Gray #6C757D ΔE 0.043
- Dim Gray #696969 ΔE 0.043
- Dark Taupe #7F684E ΔE 0.051
- Battleship Grey #6B7C85 ΔE 0.051
- Dull Brown #876E4B ΔE 0.055
- Medium Grey #7D7F7C ΔE 0.056
- Dark Sage #598556 ΔE 0.057
Use #667663 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.