#637464
Closest named color: Dim Gray (#696969). oklch(54% 0.032 146.7), rgb(99, 116, 100).
Aa
White text reads best on this color (4.98:1).
About this color
#637464 is a medium-dark, muted green. In OKLCH its lightness is 54%, its chroma 0.032 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.037 away. White text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #637464 |
| RGB | rgb(99, 116, 100) |
| HSL | hsl(124, 8%, 42%) |
| OKLCH | oklch(54% 0.032 146.7) |
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 #637464 | 4.98:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #637464 | 4.21:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #637464 text on white | 4.98:1 | AA | Lc 74.5 | Content text, not long reading |
| #637464 text on black | 4.21:1 | AA large text | Lc -27.2 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D6DBD6
oklch(88.6% 0.009 145.5)
-
Step 300
300
#BBC3BB
oklch(80.9% 0.014 145.4)
-
Step 400
400
#98A598
oklch(70.8% 0.024 145.3)
-
Step 500
500
#7E8F7F
oklch(63.2% 0.031 146.8)
-
Step 600
600 (this color)
#637464
oklch(54% 0.032 146.7)
-
Step 700
700
#566657
oklch(49.2% 0.031 146.8)
-
Step 800
800
#465347
oklch(42.7% 0.026 147.2)
-
Step 900
900
#3B443C
oklch(37.6% 0.018 148.4)
-
Step 950
950
#232823
oklch(27% 0.012 145.2)
#637464 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) | #757163 | 0.027 |
| Deuteranopia (no green cones) | #726F65 | 0.026 |
| Tritanopia (no blue cones) | #61736F | 0.018 |
| Achromatopsia (no color) | #707070 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #637464
#637464
oklch(54% 0.032 146.7)
- #796879
#796879
oklch(53.9% 0.033 326)
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 #637464, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.037
- Battleship Gray #6C757D ΔE 0.042
- Grey Brown #7F7053 ΔE 0.044
- Dark Taupe #7F684E ΔE 0.052
- Battleship Grey #6B7C85 ΔE 0.052
- Dull Brown #876E4B ΔE 0.059
- Dark Moss Green #606C38 ΔE 0.059
- Medium Grey #7D7F7C ΔE 0.060
Use #637464 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.