#638047
Closest named color: Military Green (#667C3E). oklch(56.3% 0.089 130.8), rgb(99, 128, 71).
Aa
Black text reads best on this color (4.70:1).
About this color
#638047 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.089 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.013 away. Black text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.70:1 |
| White text | 4.45:1 |
Values
| HEX | #638047 |
| RGB | rgb(99, 128, 71) |
| HSL | hsl(91, 29%, 39%) |
| OKLCH | oklch(56.3% 0.089 130.8) |
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 #638047 | 4.45:1 | AA large text | Lc -76.4 | Fine for body text |
| Black text on #638047 | 4.70:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #638047 text on white | 4.45:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #638047 text on black | 4.70:1 | AA | Lc -30.8 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7EBE4
oklch(93.5% 0.01 131.4)
-
Step 200
200
#D4DCCD
oklch(88.4% 0.022 130)
-
Step 300
300
#B8C6AC
oklch(80.9% 0.039 130.5)
-
Step 400
400
#93A97F
oklch(70.7% 0.064 130.4)
-
Step 500
500
#78945F
oklch(63.1% 0.082 131.1)
-
Step 600
600 (this color)
#638047
oklch(56.3% 0.089 130.8)
-
Step 700
700
#506A37
oklch(49% 0.082 131)
-
Step 800
800
#42572E
oklch(42.8% 0.068 130.9)
-
Step 900
900
#384729
oklch(37.6% 0.052 130.2)
-
Step 950
950
#212A18
oklch(27.1% 0.034 130)
#638047 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) | #857943 | 0.051 |
| Deuteranopia (no green cones) | #80774A | 0.049 |
| Tritanopia (no blue cones) | #657C72 | 0.066 |
| Achromatopsia (no color) | #777777 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #638047
#638047
oklch(56.3% 0.089 130.8)
- #86669C
#86669C
oklch(56.3% 0.089 310.8)
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 #638047, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.013
- Dark Sage #598556 ΔE 0.021
- Swamp #698339 ΔE 0.021
- Khaki Green #728639 ΔE 0.033
- Muddy Green #657432 ΔE 0.036
- Moss Green #658B38 ΔE 0.041
- Fern Green #548D44 ΔE 0.043
- Murky Green #6C7A0E ΔE 0.044
Use #638047 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.