#648131
Closest named color: Swamp (#698339). oklch(56.3% 0.113 126.6), rgb(100, 129, 49).
Aa
Black text reads best on this color (4.72:1).
About this color
#648131 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.113 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.012 away. Black text reads best on it, at 4.72:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #648131 |
| RGB | rgb(100, 129, 49) |
| HSL | hsl(82, 45%, 35%) |
| OKLCH | oklch(56.3% 0.113 126.6) |
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 #648131 | 4.44:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #648131 | 4.72:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #648131 text on white | 4.44:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #648131 text on black | 4.72:1 | AA | Lc -30.9 | 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
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC9
oklch(88.5% 0.029 126.8)
-
Step 300
300
#B8C7A4
oklch(80.9% 0.051 126.4)
-
Step 400
400
#93AA73
oklch(70.6% 0.08 126.8)
-
Step 500
500
#79954D
oklch(63.1% 0.104 126.6)
-
Step 600
600 (this color)
#648131
oklch(56.3% 0.113 126.6)
-
Step 700
700
#516B21
oklch(49.1% 0.105 126.6)
-
Step 800
800
#42571D
oklch(42.6% 0.087 126.7)
-
Step 900
900
#38481E
oklch(37.7% 0.068 126.7)
-
Step 950
950
#212A12
oklch(26.9% 0.043 126)
#648131 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) | #877928 | 0.053 |
| Deuteranopia (no green cones) | #837737 | 0.054 |
| Tritanopia (no blue cones) | #687B70 | 0.091 |
| Achromatopsia (no color) | #787878 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648131
#648131
oklch(56.3% 0.113 126.6)
- #8662A9
#8662A9
oklch(56.2% 0.113 306.4)
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 #648131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.012
- Military Green #667C3E ΔE 0.024
- Murky Green #6C7A0E ΔE 0.025
- Khaki Green #728639 ΔE 0.026
- Olive Green #677A04 ΔE 0.028
- Moss Green #658B38 ΔE 0.029
- Mossy Green #638B27 ΔE 0.033
- Swamp Green #748500 ΔE 0.035
Use #648131 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.