#638422
Closest named color: Mossy Green (#638B27). oklch(56.9% 0.129 126.6), rgb(99, 132, 34).
Aa
Black text reads best on this color (4.85:1).
About this color
#638422 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.129 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mossy Green (#638B27), ΔE 0.020 away. Black text reads best on it, at 4.85:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #638422 |
| RGB | rgb(99, 132, 34) |
| HSL | hsl(80, 59%, 33%) |
| OKLCH | oklch(56.9% 0.129 126.6) |
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 #638422 | 4.32:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #638422 | 4.85:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #638422 text on white | 4.32:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #638422 text on black | 4.85:1 | AA | Lc -31.9 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D3DDC7
oklch(88.4% 0.031 127.1)
-
Step 300
300
#B7C8A0
oklch(80.9% 0.058 126.4)
-
Step 400
400
#91AB6B
oklch(70.6% 0.092 126.6)
-
Step 500
500
#779641
oklch(63.1% 0.118 126.3)
-
Step 600
600 (this color)
#638422
oklch(56.9% 0.129 126.6)
-
Step 700
700
#4F6C0D
oklch(49.1% 0.12 126.4)
-
Step 800
800
#415811
oklch(42.7% 0.099 126.3)
-
Step 900
900
#374917
oklch(37.8% 0.077 126.6)
-
Step 950
950
#202B0F
oklch(27.1% 0.049 127.2)
#638422 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) | #8B7B10 | 0.059 |
| Deuteranopia (no green cones) | #87792B | 0.062 |
| Tritanopia (no blue cones) | #677E71 | 0.103 |
| Achromatopsia (no color) | #797979 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #638422
#638422
oklch(56.9% 0.129 126.6)
- #8B60B2
#8B60B2
oklch(56.8% 0.13 306.9)
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 #638422, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.020
- Swamp #698339 ΔE 0.024
- Moss Green #658B38 ΔE 0.024
- Swamp Green #748500 ΔE 0.025
- Sap Green #5C8B15 ΔE 0.025
- Olive Green #677A04 ΔE 0.028
- Murky Green #6C7A0E ΔE 0.028
- Khaki Green #728639 ΔE 0.031
Use #638422 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.