#638944
Closest named color: Moss Green (#658B38). oklch(58.5% 0.106 132.6), rgb(99, 137, 68).
Aa
Black text reads best on this color (5.19:1).
About this color
#638944 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.106 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.015 away. Black text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #638944 |
| RGB | rgb(99, 137, 68) |
| HSL | hsl(93, 34%, 40%) |
| OKLCH | oklch(58.5% 0.106 132.6) |
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 #638944 | 4.04:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #638944 | 5.19:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #638944 text on white | 4.04:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #638944 text on black | 5.19:1 | AA | Lc -34.1 | 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
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCB
oklch(88.4% 0.027 133)
-
Step 300
300
#B5C8A8
oklch(81% 0.049 132.6)
-
Step 400
400
#8EAB7A
oklch(70.6% 0.076 133)
-
Step 500
500
#729657
oklch(63% 0.098 132.8)
-
Step 600
600 (this color)
#638944
oklch(58.5% 0.106 132.6)
-
Step 700
700
#4A6C2D
oklch(49% 0.099 132.6)
-
Step 800
800
#3D5827
oklch(42.6% 0.081 132.7)
-
Step 900
900
#344924
oklch(37.8% 0.065 132.9)
-
Step 950
950
#1F2B16
oklch(27.1% 0.04 132.7)
#638944 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) | #8E803E | 0.062 |
| Deuteranopia (no green cones) | #887D48 | 0.062 |
| Tritanopia (no blue cones) | #648479 | 0.079 |
| Achromatopsia (no color) | #7E7E7E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #638944
#638944
oklch(58.5% 0.106 132.6)
- #9168A9
#9168A9
oklch(58.4% 0.107 312.3)
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 #638944, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.015
- Swamp #698339 ΔE 0.018
- Fern Green #548D44 ΔE 0.020
- Khaki Green #728639 ΔE 0.020
- Light Forest Green #4F9153 ΔE 0.028
- Mossy Green #638B27 ΔE 0.030
- Dark Sage #598556 ΔE 0.030
- Olive Drab #6B8E23 ΔE 0.037
Use #638944 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.