#636748
Closest named color: Dark Moss Green (#606C38). oklch(50.2% 0.047 114.1), rgb(99, 103, 72).
Aa
White text reads best on this color (5.89:1).
About this color
#636748 is a medium-dark, muted yellow. In OKLCH its lightness is 50%, its chroma 0.047 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.031 away. White text reads best on it, at 5.89:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #636748 |
| RGB | rgb(99, 103, 72) |
| HSL | hsl(68, 18%, 34%) |
| OKLCH | oklch(50.2% 0.047 114.1) |
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 #636748 | 5.89:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #636748 | 3.56:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #636748 text on white | 5.89:1 | AA | Lc 79.5 | Fine for body text |
| #636748 text on black | 3.56:1 | AA large text | Lc -22.3 | 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 700.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#D9DAD1
oklch(88.5% 0.012 111.8)
-
Step 300
300
#C0C2B2
oklch(80.8% 0.022 112.7)
-
Step 400
400
#A0A48A
oklch(70.8% 0.037 114.4)
-
Step 500
500
#898D6D
oklch(63.1% 0.046 113.5)
-
Step 600
600
#737755
oklch(55.7% 0.05 113.5)
-
Step 700
700 (this color)
#636748
oklch(50.2% 0.047 114.1)
-
Step 800
800
#4E5239
oklch(42.8% 0.039 115.5)
-
Step 900
900
#414431
oklch(37.8% 0.031 115.2)
-
Step 950
950
#26281D
oklch(27.1% 0.02 116.1)
#636748 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) | #6C6446 | 0.015 |
| Deuteranopia (no green cones) | #6B6549 | 0.014 |
| Tritanopia (no blue cones) | #67635F | 0.042 |
| Achromatopsia (no color) | #646464 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636748
#636748
oklch(50.2% 0.047 114.1)
- #655F7C
#655F7C
oklch(50.2% 0.046 294.2)
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 #636748, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.031
- Dark Olive Green #556B2F ΔE 0.045
- Dark Taupe #7F684E ΔE 0.047
- Dim Gray #696969 ΔE 0.051
- Dirt Brown #836539 ΔE 0.052
- Camo Green #526525 ΔE 0.053
- Muddy Green #657432 ΔE 0.055
- Mud #735C12 ΔE 0.055
Use #636748 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.