#637249
Closest named color: Dark Moss Green (#606C38). oklch(52.9% 0.063 124.9), rgb(99, 114, 73).
Aa
White text reads best on this color (5.20:1).
About this color
#637249 is a medium-dark, muted yellow. In OKLCH its lightness is 53%, its chroma 0.063 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.025 away. White text reads best on it, at 5.20:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #637249 |
| RGB | rgb(99, 114, 73) |
| HSL | hsl(82, 22%, 37%) |
| OKLCH | oklch(52.9% 0.063 124.9) |
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 #637249 | 5.20:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #637249 | 4.03:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #637249 text on white | 5.20:1 | AA | Lc 75.8 | Fine for body text |
| #637249 text on black | 4.03:1 | AA large text | Lc -25.9 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D7DBD0
oklch(88.5% 0.015 123.1)
-
Step 300
300
#BCC4B0
oklch(80.9% 0.029 124.9)
-
Step 400
400
#9AA687
oklch(70.7% 0.046 124.8)
-
Step 500
500
#819069
oklch(63.1% 0.059 125.1)
-
Step 600
600 (this color)
#637249
oklch(52.9% 0.063 124.9)
-
Step 700
700
#596741
oklch(49.2% 0.06 125)
-
Step 800
800
#495436
oklch(42.8% 0.049 124.8)
-
Step 900
900
#3D452F
oklch(37.6% 0.037 124.4)
-
Step 950
950
#24291C
oklch(27.2% 0.024 125.1)
#637249 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) | #766D46 | 0.030 |
| Deuteranopia (no green cones) | #746C4B | 0.031 |
| Tritanopia (no blue cones) | #666E68 | 0.052 |
| Achromatopsia (no color) | #6D6D6D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #637249
#637249
oklch(52.9% 0.063 124.9)
- #746289
#746289
oklch(52.8% 0.064 305.4)
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 #637249, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.025
- Muddy Green #657432 ΔE 0.030
- Military Green #667C3E ΔE 0.038
- Dark Olive Green #556B2F ΔE 0.042
- Grey Brown #7F7053 ΔE 0.048
- Brown Green #706C11 ΔE 0.050
- Browny Green #6F6C0A ΔE 0.052
- Dark Taupe #7F684E ΔE 0.053
Use #637249 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.